URBNG-57: GPS user story
madyfications in database + map
small fix, on upgrade method was wrong and added synchronized to databse
methods
serialVersionUID for Serializables added
Fixed crash after switching tabs.
you can't answer non-repeatable task twice
Search menu bug fix
Merge branch 'searchBugFix' of https://github.com/herbatnik/UrbanGame into android
Merge pull request #118 from herbatnik/searchBugFix

[Android] Actionbar's search button crash fix
Merge remote-tracking branch 'upstream/android' into android
ActionBarSherlock library exported
orientation change bug fix
Merge pull request #119 from herbatnik/abcdTask

[Android] ABCD task layout fix
Merge remote-tracking branch 'upstream/android' into android
Action bar and headers update - fix of backgrounds

+
Merge pull request #120 from herbatnik/new

Action bar and headers update - fix of backgrounds + icon and app name [URBNG-452]
Merge remote-tracking branch 'upstream/android' into android
Removed alert icon in ApplicatioBar
added correct answer marker
subbmit button disappearing when not needed.
Map can be seen only after submiting answer
Database update. Added feature of changing databases from encrypted to
database without encryption.
default flag value fix