* Replaced cancel/delete button in files area
* Consolidated Image upload styles with AssetUpload styles
* Changed name of step 2 in image upload
* Made image editing hidden by default, so multiple files can be seen,
and added ability top open and close
* Tweaked styles in on page upload field (status colour and file name
width)
1. Refactored some gridfield styles to enable reuse (created a mixin
file to hold mixins that generate specific css objects/elements).
2. Made some scss comments use // so they wouldn't appear in generated
css
Add title text to all status messages
Make room for the error message details by expanding the name area in
the file details
Fix up changes status to work with selects
1. Add arrows to edit dropdowns
2. Adjust lightened fields so they don't look like input boxes, and fix
rgba colours
3. Add ability to click file names to edit
4. Add feedback when edit button is hovered
5. Add feedback if a file has been opened for editing and shut again
(saved changes, unsaved changes, unchanged)
6. Add ability to open and close all files to edit them all at once
7. Add overall feedback for file uploads, and fix NaN error
8. Fix up area to match design
9. Fix error messages so they fit in the provided space
10. Fix case where a single uploaded file errors
Changed the calculation of the iframe size so it would be the correct
height. Altered the styles of the view details area to match design.
Changed the background color of the title on the file header so it
wouldn't look editable (as recommended by Felipe)
Added classes to dropzone when dragging and dropping files. Added
styles to the dropzone when a file could be dropped. Added a clearfloat
mixin to the mixins file.