Made top bar smaller
Dashboard look & feel almost complete
Too early to work on progress.xml
Removed useless import
Added LevelProgression support
Connected LevelProgression to core
Added hints on wrong API key
Fixed hide/show of lessons_now
Made lessons hyperlink to be "unlock" only
Fixed bug causing lessons to be always 0
Fixed bug preventing lessons link to work
Implemented userinfo caching; saves one call at startup
Removed a couple of useless imports
Split DashboardData into mandatory and optional stuff
Reversed gradient (looks better this way)
Made prog bar max=100 explicitly
Added progress bar handling
Removed source of NullPointerException's
Fixed NullPointerException on deserialize
If API key is wrong, switch back to error screen