added background alpha option
various improvements
improved gap position remembering
used RefreshNow for pull to refresh feature
removed dual pane support
removed staggered timeline temporarily
lightened card background in dark theme a bit.
bug fixes
improved image viewer, save image button should always visible.
fixed some crashes.
fixed vibration issue on some devices (hopefully?
improved pull to refresh
improved pull to refresh
improved performance on meizu devices
improved pull to refresh progress
bug fixes
Renamed TestBroadcastReceiver class to
SecretCodeBroadcastReceiver
Merge branch 'dev' into f-droid

Conflicts:
	project.properties