Fixed the unit tests by adding JRE to the CORE claspath
Fix build path,

So Android Project correct links to CORE project
Minor re-factoring of ProfileReader
Removed unused implementation of Serializable on parameters classes
Cleaup unused import and constant
Add default case to missing in some DroneEvent switch statements
Remove unused imports, methods and variables
Fix deprecation problems, by using newer layout parameters and by ignoring one instance of SlidingDrawer
Remove 'implement serializable' where it's not needed.
Fix possible memory leak
Remove more unused variables/constants
Fix remaining lint warnings by adding '@SuppressWarnings' statements
Let's leave version control to GIT

Removed all @since and @author tags
Doesn't crash when can't access usb device.
Merge pull request #938 from arthurbenemann/fix_unit_tests_on_eclipse

Fixed the unit tests by adding JRE to the CORE claspath
Merge pull request #939 from arthurbenemann/lint_cleanup

Cleanup of lint warnings
Use the correct Math method to calculate a hypotenuse.
Added method to calculate the 3D distance between two points
Added unit test for the new 3D distance method
Merge pull request #943 from arthurbenemann/3Ddistance

3D distance