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