Work in progress -- stashing changes
Added support for basic profile editing
On-going tidy up of user profile

Minor changes:
- Removed unused/old files
- Fixed log out call by removing confirm screen
Merge branch 'develop' of github.com:adaptlearning/adapt_authoring into user-profile-tidy-up
Fixed typo - unsert() -> unset()
Corrected issue with indentation/white-space
Corrected language string
Merge pull request #566 from adaptlearning/user-profile-tidy-up

User profile tidy up