API: Update module to require ss4

As part of this we’re also requiring lumberjack 2 and tagfield 2, which
are the ss4-compatible versions.

.travis.yml

@@ -12,7 +12,7 @@ before_install:
 
 env:
   global:
-    - DB=MYSQL CORE_RELEASE=3.1
+    - DB=MYSQL CORE_RELEASE=4
 
     # Turn coverage off by default, as it's expensive time wise
     - COVERAGE=0
@@ -21,8 +21,6 @@ env:
     - MODULE_PATH=blog
 
 matrix:
-  allow_failures:
-    - php: hhvm-nightly
   include:
     - php: 5.6
       env: DB=MYSQL COVERAGE=1
@@ -30,17 +28,6 @@ matrix:
       env: DB=MYSQL
     - php: 5.6
       env: DB=PGSQL
-    - php: 5.6
-      env: DB=MYSQL CORE_RELEASE=3.2
-    - php: 5.6
-      env: DB=PGSQL CORE_RELEASE=3.2
-    - php: 5.4
-      env: DB=SQLITE
-    - php: 5.3
-      env: DB=MYSQL
-    - php: hhvm
-      env: DB=MYSQL
-
 
 before_script:
   - phpenv rehash

composer.json

@@ -8,16 +8,16 @@
 	],
 	"type": "silverstripe-module",
 	"require": {
-		"silverstripe/cms": "^3.1.0",
+		"silverstripe/cms": "^4",
-		"silverstripe/lumberjack": "~1.1",
+		"silverstripe/lumberjack": "^2",
-		"silverstripe/tagfield": "^1.0"
+		"silverstripe/tagfield": "^2"
 	},
 	"require-dev": {
 		"phpunit/PHPUnit": "~3.7@stable"
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "2.4.x-dev"
+			"dev-master": "3.x-dev"
 		}
 	},
 	"license": "BSD-2-Clause",