change deprecated TabActivity to ActivityGroup using Fragments.
Replace TabLayoutActivity with FragmentTabsActivity
Replace tablayout.xml with fragment_tabs.xml
update QueryDatabaseLogin.java accordingly.
update manifest accordingly.
updates in login, tab activity and map view activity.
Expected behavior:
Press back button in the map view and within 2s will exit the button
completely. If longer than 2s, the map view will be intact.
Once the app exit, location will not be updated anymore. So you
shouldn't see the annoying location updates msg.
fix push issue
Merge branch 'master' of https://github.com/vfonte91/TaxiMap.git