NPE fix https://github.com/frostwire/frostwire-android/issues/53
subtle visual feedback when turning on wifi-sharing
disable the button while it's being turned on
Fixes scrolling issue on my files https://github.com/frostwire/frostwire-android/issues/58
1.3.0 build 120
NPE avoidance and Fix of https://github.com/frostwire/frostwire-android/issues/55
Merge branch 'master' into gui3