Tidied up and focused on existing tests -- Added first UI Test
added test for username to profile activity
finished profile activity tests
added some indentations
removed unused imports
Cleaned up DBQuery and DBStore

Improved style, commenting, and some small error handling in
DBQuery.java and DBStore.java.
added null user checks
created basic help fragment test
non null help fragment
Added test for User.java
added simple test to help fragment test
Merge branch 'develop' of https://github.com/nrhinnant/GeoPost into develop
Added initial UI test for MainActivity
Merge branch 'develop' of https://github.com/nrhinnant/GeoPost into develop
Removed unused methods in User.java
removed unused imports, cleaned up comments
Merge branch 'develop' of https://github.com/nrhinnant/GeoPost into develop
code review changes

from andrew's code review of MainActivity.drawMarkers().  Factored out
temp hashset and just iterate over copy of keyset.
Merge branch 'develop' of github.com:nrhinnant/GeoPost into develop
code review changes for RefreshMap task in MainActivity