URBNG-57: GPS user story
madyfications in database + map
small fix, on upgrade method was wrong and added synchronized to databse
methods
Fixed crash after switching tabs.
you can't answer non-repeatable task twice
added correct answer marker
subbmit button disappearing when not needed.
Map can be seen only after submiting answer
Merge pull request #117 from jskudlarski/android

URBNG-57: GPS user story pls update jira