Fixed opacity not changing on hover
Changed CKEditor skin to a flat skin
Update gems
Remove unneeded ckeditor things after update
Use new offcanvas from foundation

Also fix offcanvas no longer working after update
Whitespace changes
Realign alert box close button
Make highlighting on hover more obvious
Fix test for fragment update
Whitespace changes
Make headings for new and edit fragment larger
Change close button on modals to use the foundation close icon
Spring binstubs
Merge branch 'feature/ui-behaviour-updates' into development