Targeting API 21, #212
Re-adding graph button, directing to local user data, #215
Being cautious when setting image alpha, #214
Smarter notification cancelling, #213
Adding GA for Welcome
Making 'invite' look more like a button
Increasing granularity on cloudy notifications, #216
Fixing degree symbol, #217
Fixing cloudy notification granularity, #216
Only showing main UI graph button when the device has a barometer, #215
Updating version
Adding What's New, updating version, #218
Preventing crash on NullPointerException, #219
Fixing welcome message / what's new display