diff --git a/.htaccess b/.htaccess
new file mode 100644
index 000000000..2ba5f8c74
--- /dev/null
+++ b/.htaccess
@@ -0,0 +1,4 @@
+<Files cli-script.php>
+Order deny,allow
+Deny from all
+</Files>
\ No newline at end of file
diff --git a/core/Requirements.php b/core/Requirements.php
index b6ac5ea0c..35b70dc32 100644
--- a/core/Requirements.php
+++ b/core/Requirements.php
@@ -7,12 +7,14 @@
  * @subpackage view
  */
 class Requirements {
+	
 	/**
 	 * Enable combining of css/javascript files.
 	 *
 	 * @var boolean
 	 */
 	private static $combined_files_enabled = true;
+	
 	public static function set_combined_files_enabled($enable) {
 		self::$combined_files_enabled = (bool) $enable;
 	}
@@ -21,6 +23,34 @@ class Requirements {
 		return self::$combined_files_enabled;
 	}
 
+	/**
+	 * Do we want requirements to suffix onto the requirement link
+	 * tags for caching or is it disabled. Getter / Setter available
+	 * through {@link Requirements::set_suffix_requirements()}
+	 *
+	 * @var bool
+	 */
+	private static $suffix_requirements = true;
+	
+	/**
+	 * Set whether we want to suffix requirements with the time / 
+	 * location on to the requirements
+	 * 
+	 * @param bool
+	 */
+	public static function set_suffix_requirements($var) {
+		self::$suffix_requirements = $var;
+	}
+	
+	/**
+	 * Return whether we want to suffix requirements
+	 * 
+	 * @return bool
+	 */
+	public static function get_suffix_requirements() {
+		return self::$suffix_requirements;
+	}
+	
 	/**
 	 * Instance of requirements for storage
 	 *
@@ -319,7 +349,7 @@ class Requirements_Backend {
 	 * @var array $disabled
 	 */
 	protected $disabled = array();
-
+	
 	/**
 	 * The filepaths (relative to webroot) or
 	 * uniquenessIDs of any included requirements
@@ -668,7 +698,10 @@ class Requirements_Backend {
 			return $fileOrUrl;
 		} elseif(Director::fileExists($fileOrUrl)) {
 			$prefix = Director::absoluteBaseURL();
-			$mtimesuffix = "?m=" . filemtime(Director::baseFolder() . '/' . $fileOrUrl);
+			$mtimesuffix = "";
+			if(Requirements::get_suffix_requirements()) {
+				$mtimesuffix = "?m=" . filemtime(Director::baseFolder() . '/' . $fileOrUrl);
+			}
 			return "{$prefix}{$fileOrUrl}{$mtimesuffix}";
 		} else {
 			return false;
diff --git a/core/ViewableData.php b/core/ViewableData.php
index 4a8b1f4b1..0509c1f89 100644
--- a/core/ViewableData.php
+++ b/core/ViewableData.php
@@ -123,7 +123,7 @@ class ViewableData extends Object implements IteratorAggregate {
 	 * @param mixed $val The field value.
 	 */
 	public function __set($field, $val) {
-		if(method_exists($this, $funcName = "set$field")) {
+		if($this->hasMethod($funcName = "set$field")) {
 			return $this->$funcName($val);
 		} else {
 			$this->setField($field, $val);
diff --git a/core/model/DataObjectSet.php b/core/model/DataObjectSet.php
index 38a92e619..85ae4119e 100644
--- a/core/model/DataObjectSet.php
+++ b/core/model/DataObjectSet.php
@@ -141,9 +141,10 @@ class DataObjectSet extends ViewableData implements IteratorAggregate {
 	* @param string $index The field you wish to use as a key for the array
 	* @param string $titleField The field or method you wish to use to get values for the map
 	* @param string $emptyString String for no option selected
+	* @param bool $sort If you want to sort the map based on $titleField 
 	* @return array
 	*/
-	public function toDropDownMap($index = "ID",$titleField = "Title",$emptyString = null){
+	public function toDropDownMap($index = "ID",$titleField = "Title",$emptyString = null, $sort = false){
 		$map = array();
 		foreach($this->items as $item) {
 			$map[$item->$index] = $item->$titleField;
@@ -151,6 +152,9 @@ class DataObjectSet extends ViewableData implements IteratorAggregate {
 		if($emptyString) {
 			$map = array("0"=>"$emptyString") + $map;
 		}
+		if($sort) {  
+			asort($map); 
+		}
 		return $map;
 	}
 	
diff --git a/core/model/Image.php b/core/model/Image.php
index b0512209a..7b2fd8f4b 100755
--- a/core/model/Image.php
+++ b/core/model/Image.php
@@ -100,7 +100,7 @@ class Image extends File {
 	function getTag() {
 		if(file_exists("../" . $this->Filename)) {
 			$url = $this->URL();
-			$title = $this->Title;
+			$title = ($this->Title) ? $this->Title : $this->Filename;
 			return "<img src=\"$url\" alt=\"$title\" />";
 		}
 	}
@@ -789,4 +789,4 @@ class Image_Uploader extends Controller {
 	}
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index 80b800900..c36fd87cb 100644
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -1469,6 +1469,8 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 		$clone = DataObject::get_by_id("SiteTree", $this->ID);
 		$clone->Status = "Published";
 		$clone->writeWithoutVersion();
+		
+		$this->extend('onAfterRevertToLive');
 	}
 
 	/**
diff --git a/css/ComplexTableField_popup.css b/css/ComplexTableField_popup.css
index e2e071f5b..e3874cd6a 100755
--- a/css/ComplexTableField_popup.css
+++ b/css/ComplexTableField_popup.css
@@ -6,7 +6,7 @@ html {
 	overflow-y: auto !important;
 }
 body {
-	height: auto;
+	height: 100%;
 }
 
 #ComplexTableField_Popup_DetailForm input.loading {
diff --git a/dev/SapphireTest.php b/dev/SapphireTest.php
index 6afeca74a..fae51acbd 100644
--- a/dev/SapphireTest.php
+++ b/dev/SapphireTest.php
@@ -81,6 +81,7 @@ class SapphireTest extends PHPUnit_Framework_TestCase {
 		$this->originalMailer = Email::mailer();
 		$this->mailer = new TestMailer();
 		Email::set_mailer($this->mailer);
+		Email::send_all_emails_to(null);
 	}
 	
 	/**
diff --git a/filesystem/File.php b/filesystem/File.php
index bfbbe6e92..4ff0ea589 100755
--- a/filesystem/File.php
+++ b/filesystem/File.php
@@ -227,6 +227,13 @@ class File extends DataObject {
 		
 		return $upload->isError();
 	}
+	
+	/**
+	 * Should be called after the file was uploaded 
+	 */ 
+	function onAfterUpload() {
+		$this->extend('onAfterUpload');
+	}
 
 	/**
 	 * Delete the database record (recursively for folders) without touching the filesystem
@@ -431,7 +438,7 @@ class File extends DataObject {
 		if($this->ParentID) {
 			$p = DataObject::get_one('Folder', "\"ID\"={$this->ParentID}");
 
-			if($p->ID) return $p->getRelativePath() . $this->getField("Name");
+			if($p && $p->ID) return $p->getRelativePath() . $this->getField("Name");
 			else return ASSETS_DIR . "/" . $this->getField("Name");
 
 		} else if($this->getField("Name")) {
@@ -605,4 +612,4 @@ class File extends DataObject {
 	
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/filesystem/Folder.php b/filesystem/Folder.php
index 1f6c4aa1b..82baae8c3 100755
--- a/filesystem/Folder.php
+++ b/filesystem/Folder.php
@@ -330,6 +330,9 @@ class Folder extends File {
 			$deleteButton = new HiddenField('deletemarked');
 		}
 
+		$inlineFormAction = new InlineFormAction("delete_unused_thumbnails", _t('Folder.DELETEUNUSEDTHUMBNAILS', 'Delete unused thumbnails'));
+		$inlineFormAction->includeDefaultJS(false) ;
+		
 		$fields = new FieldSet(
 			new HiddenField("Title"),
 			new TabSet("Root", 
@@ -352,19 +355,14 @@ class Folder extends File {
 					)
 				),
 				new Tab("UnusedFiles", _t('Folder.UNUSEDFILESTAB', "Unused files"),
-				    new LiteralField("UnusedAssets",
-	                    "<div id=\"UnusedAssets\"><h2>"._t('Folder.UNUSEDFILESTITLE', 'Unused files')."</h2>"
-	                ),
-				    $this->getAssetList(),
-				    new LiteralField("UnusedThumbnails",
-	                   "</div>
-	                        <div id=\"UnusedThumbnails\">
-	                            <h2>"._t('Folder.UNUSEDTHUMBNAILSTITLE', 'Unused thumbnails')."</h2>
-	                            <button class=\"action\">"._t('Folder.DELETEUNUSEDTHUMBNAILS', 'Delete unused thumbnails')."</button>
-	                        </div>"
-	                )     
-	            )
-		    ),
+					new LiteralField( "UnusedAssets", "<h2>"._t('Folder.UNUSEDFILESTITLE', 'Unused files')."</h2>" ),
+					$this->getAssetList(),
+					new FieldGroup(
+						new LiteralField( "UnusedThumbnails", "<h2>"._t('Folder.UNUSEDTHUMBNAILSTITLE', 'Unused thumbnails')."</h2>"),
+						$inlineFormAction
+					)
+				)
+			),
 			new HiddenField("ID")
 		);
 
diff --git a/filesystem/GD.php b/filesystem/GD.php
index 43c0afa97..d71079c92 100755
--- a/filesystem/GD.php
+++ b/filesystem/GD.php
@@ -352,8 +352,8 @@ class GD extends Object {
 		$rr = ($rv == 0) ? 0 : 1/($rt/$rv);
 		$br = ($bv == 0) ? 0 : 1/($rt/$bv);
 		$gr = ($gv == 0) ? 0 : 1/($rt/$gv);
-		for($dy = 0; $dy <= $height; $dy++) {
-			for($dx = 0; $dx <= $width; $dx++) {
+		for($dy = 0; $dy < $height; $dy++) {
+			for($dx = 0; $dx < $width; $dx++) {
 				$pxrgb = imagecolorat($this->gd, $dx, $dy);
 				$heightgb = ImageColorsforIndex($this->gd, $pxrgb);
 				$newcol = ($rr*$heightgb['red']) + ($br*$heightgb['blue']) + ($gr*$heightgb['green']);
diff --git a/forms/CustomRequiredFields.php b/forms/CustomRequiredFields.php
index 78547f336..86a2d52c0 100755
--- a/forms/CustomRequiredFields.php
+++ b/forms/CustomRequiredFields.php
@@ -65,7 +65,7 @@ class CustomRequiredFields extends RequiredFields{
 					if(!$data[$fieldName] || preg_match('/^\s*$/', $data[$fieldName])) {
 						$this->validationError(
 							$fieldName,
-                                                        sprintf(_t('Form.FIELDISREQUIRED', "%s is required"),
+                                                        sprintf(_t('Form.FIELDISREQUIRED', "%s is required."),
                                                                 $formField->Title()),
 							"required"
 						);
diff --git a/forms/FieldSet.php b/forms/FieldSet.php
index 6d5e13778..350cd3dfa 100755
--- a/forms/FieldSet.php
+++ b/forms/FieldSet.php
@@ -32,8 +32,12 @@ class FieldSet extends DataObjectSet {
 		$itemsArr = (!is_array($items) || count(func_get_args()) > 1) ? func_get_args() : $items;
 		parent::__construct($itemsArr);
 		
-		foreach($this->items as $item) {
-			$item->setContainerFieldSet($this);
+		if(isset($this->items)&&count($this->items)){
+			foreach($this->items as $item) {
+				if(isset($item)&&is_a($item,"FormField")){
+					$item->setContainerFieldSet($this);
+				}
+			}
 		}
 		
 	}
diff --git a/forms/InlineFormAction.php b/forms/InlineFormAction.php
index 45a9e465c..8d7dea706 100755
--- a/forms/InlineFormAction.php
+++ b/forms/InlineFormAction.php
@@ -60,7 +60,7 @@ class InlineFormAction_ReadOnly extends FormField {
 	protected $readonly = true;
 	
 	function Field() {
-		return "<input type=\"submit\" name=\"action_{$this->name}\" value=\"{$this->title}\" id=\"{$this->id()}\" disabled=\"disabled\" class=\"action$this->extraClass\" />";
+		return "<input type=\"submit\" name=\"action_{$this->name}\" value=\"{$this->title}\" id=\"{$this->id()}\" disabled=\"disabled\" class=\"action disabled$this->extraClass\" />";
 	}	
 	
 	function Title() { 
diff --git a/forms/RequiredFields.php b/forms/RequiredFields.php
index f87acbc45..d2c3c9b5e 100755
--- a/forms/RequiredFields.php
+++ b/forms/RequiredFields.php
@@ -102,7 +102,7 @@ JS;
 					$this->validationError(
 						$fieldName,
 						sprintf(
-							_t('Form.FIELDISREQUIRED'),
+							_t('Form.FIELDISREQUIRED').'.',
 							strip_tags('"' . ($formField->Title() ? $formField->Title() : $fieldName) . '"') 
 						),
 						"required"
diff --git a/forms/Validator.php b/forms/Validator.php
index 3cd447edd..c49b54a95 100755
--- a/forms/Validator.php
+++ b/forms/Validator.php
@@ -167,7 +167,7 @@ abstract class Validator extends Object {
 	}
 	
 	function requireField($fieldName, $data) {
-		if(!$data[$fieldName]) $this->validationError($fieldName, "$fieldName is required", "required");
+		if(!$data[$fieldName]) $this->validationError($fieldName, "$fieldName is required.", "required");
 	}
 	
 	function includeJavascriptValidation() {
diff --git a/templates/email/GenericEmail.ss b/templates/email/GenericEmail.ss
index 0f45c4ef4..2da3240be 100644
--- a/templates/email/GenericEmail.ss
+++ b/templates/email/GenericEmail.ss
@@ -1,12 +1,12 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html>
-
 <head>
+	<% base_tag %>
 </head>
 <body>
 
 <p class="body">
-$Body
+	$Body
 </p>
 
 </body>
diff --git a/tests/SQLQueryTest.php b/tests/SQLQueryTest.php
index 9090e7678..ec76b85f8 100644
--- a/tests/SQLQueryTest.php
+++ b/tests/SQLQueryTest.php
@@ -203,4 +203,4 @@ class SQLQueryTest_DO extends DataObject implements TestOnly {
 	);
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/tests/forms/FormTest.php b/tests/forms/FormTest.php
index 9e3160ed3..dc1b145ef 100644
--- a/tests/forms/FormTest.php
+++ b/tests/forms/FormTest.php
@@ -207,7 +207,7 @@ class FormTest extends FunctionalTest {
 		$this->assertPartialMatchBySelector(
 			'#SomeRequiredField span.required',
 			array(
-				sprintf(_t('Form.FIELDISREQUIRED'),'"SomeRequiredField"')
+				sprintf(_t('Form.FIELDISREQUIRED').'.','"SomeRequiredField"')
 			),
 			'Required fields show a notification on field when left blank'
 		);