changed dir structure to be gradle based
fix possible ANR, create toast about failing to retrieve request token on main thread rather than in the async task
updated min api to 14, rewrote PreferenceActivity to remove code to support older versions of android and to improve ui
bumped version number & code
move SettingsFragment to its own file, added default constructor
formatting
check bundle for access token in onResume, not onCreate
formatting
changed commit to apply on shared prefs edit
added isvalidfragment method
don't enable home as up if activity launched from adding new widget