(Issue #3739) apply fixed height only to T&C container
Refactor sign out button to a proper form so it can handle redirects
(Issue #3739) refactor register markup to conform to bootstrap guidelines
Implement more advanced user management in the administration UI.

- CSV Import of users
- Create new user functionality
- New `User management` navigation item that shows a list of users in the current tenant
- When a user in the list is clicked it brings up the manageuser widget that allows editing the user's profile information, password and privileges
- Added new `User management` navigation item in the global admin panel as well that shows the users in the tenant
- Added new `Maintenance` navigation item in the global admin panel
- Added the ability to create a new global administrator (sort of, initial implementation, you can create a new user on the global administration tenant and then afterwards promote it to global admin by going into the settings for the user)
- Regenerate previews
    - Reprocess specific mime types
    - Reprocess failed content previews
    - Reprocess everything in date range
    - Reprocess for a specific user
    - Reprocess all items of specific content type
- Reindex search
Move around some translations to the main bundles
Follow up on user management review
Consistency updates for progress bars, tweaks to QUnit untranslated keys test, add failure handling in the changepic widget, rename maintenance to servermaintenance
Follow up on user management review
Merge branch 'master' of https://github.com/oaeproject/3akai-ux into userManagement
(Issue #3579) fix template for audio-only media files
(Issue #3579) followup from review
(Issue #3579) fix template spacing
(Issue #3579) make mime comparisons case-insensitive
(Release 6.5.0) Bump version
Follow up on user management review
Merge branch 'master' of https://github.com/oaeproject/3akai-ux into userManagement
Synchronized French translations
Merge branch 'issue3579' of github.com:sathomas/3akai-ux into issue3579
Merge branch 'master' of https://github.com/oaeproject/3akai-ux into userManagement
Only show the Terms and Conditions modal when required