Ui refactoring (wip)
Added validation icon
Improved fixtures
Added score management
Fixed missing argument
Reactivate offline cache
Styled admin section
French translation
Switched to ogg video format
Minor bug fixes
Fixed test suite
Removed superfluous test helpers
Fixed property name and default value
Removed icomoon and document-register-element
Merge pull request #5 from hevinci/ui

Components refactoring and score management