Fix minor changes, code cleanup
Correct hashing
Add user activity wall, add comment username linking
Add notification tests
Fix paste primary key references
Add internationalization and translations
Add language selection
Merge branch 'notifications' into develop
Change admin panel link location
Merge branch 'internationalization' into develop
Add missing tranlations
Add selected language check mark
Fix tests
Merge branch 'develop'

	* Notifications
	* Internationalization
Add missing translations