Fix admin nav margin with alert messages.
Add a README note about conventions for contributing CSS. Closes #971.
Use bigreason tinymce theme
Style fixes for filebrowser popup regressions from new admin nav.
Actually apply tinymce skin.
Merge
Make the admin menu toggle panel a bit more subtle.
Make sure the messages bar responds to panel toggling.
Style tweaks to side panel toggle.
Remove left-over rule.
Fix regression in save bottom of change-list view.
Apply z-index to the whole side panel, not just the inner list.
Handle edge case of bottom controls in settings page.
Add back minor improvements to side panel.
Catch up with master.