update to the navigation drawer.
update to the Configuration activity structure.
Merge branch 'master' of https://github.com/DroidPlanner/droidplanner into fix_issue_1093
fixed remaining issues with the updated navigation drawer.
added compass icon.
updated the icon for the 'go to drone location' button.
Fixed issue with map centering on the editor screen.
closed issue #891.
updated flight action bar to reflect current flight mode.
fixed layout issues.
updated editor tools box.
fixed loss of spline state on screen rotation.
closed issue #1092
Merge pull request #1106 from ne0fhyk/fix_issue_1093

UI cleanup!
Android: Make FlightControl buttons UI consistent
Android: Move the connect menuitem to the overflow menu
Since now we have a connect button on the main flight activity
close issue #1101
Merge branch 'UI_fix' of https://github.com/arthurbenemann/droidplanner into fix_issue_1101
updated flight action buttons ui.
cleaned up unneeded resources.
Merge pull request #1110 from ne0fhyk/fix_issue_1101

Bug fixes and UI cleanup
Core: Add a function to calculate the consumed mAh
Android: Display consumed mAh in action bar
Merge pull request #1111 from arthurbenemann/Batt_discharge

Batt discharge on action bar
Version: Releasing version 2.7.9