Separate conference timezone into separate value
Renamed action bar logo to identify it as being conference specific
PNG optimisation
Version bump
Updated for ADD
Merge branch 'master' into ADD2014

Conflicts:
	android/src/main/java/com/conferenceengineer/android/iosched/Config.java
	android/src/main/res/drawable-xhdpi/conference_actionbar_icon.png
Allow WiFi option to be removed from overflow menu
Updated with latest static data for sessions
Version Bump
Static data update