Moved External libraries to Libraries folder
Possible fix to the gradle build
Merge pull request #960 from arthurbenemann/libraries-move

Moved External libraries to Libraries folder
Make Circle Item work again on AC 3.2RC3 or higher
Move Circle fragment to the right location
Fix paths broken by last commit
Merge pull request #970 from arthurbenemann/circle_fix

Circle Item fix
Version: Releasing version 2.6.1
Fix circle mavmsg unpack function
Changed default circle radius
Correctly unpack a mission with RTL
Merge pull request #971 from arthurbenemann/mission_items_fix

Mission items unpack fixes
NullPointer Exception fix on Editor

When opening the editor with a loaded mission a null pointer exception was being generated. This fixes the problem.
Merge pull request #972 from arthurbenemann/fix_editor_bug

NullPointer Exception fix on Editor
Remove old comment
Added FTDI library back, overwriting the open-usb-library
Add the FTDI library to the gradle build
Create two classes to support both CDC and FTDI devices.

Super object at UsbConnection has the factory to generate the correct usb object.
Detect if a FTDI device is connected and use the correct class to comunicate
Merge pull request #975 from arthurbenemann/usb_ftdi

Fix problems with USB libraries

Now using both the FTDI and the usbseriallibrary libraries depending on the connected device.