first commit.
Applied to DriveCore.
Renamed a block.
Recomposed resources.
Localized (English).
Bug fix
implement port config fragment framework partially
still implementing

TODO: implement preference function.
almost implement port config
implement motor configuration
complete implementation of port configuration
fix a bug on ProgrammingActivity (Intent related)
divide port configuration implementation into drivecore and ev3drive

and some bug fix
- change startDrag call from in onLongClick to onTouch
- change motors' port name string
divide port configuration implementation into drivecore and ev3drive

and some bug fix
- change startDrag call from in onLongClick to onTouch
- change motors' port name string
implement threshold fragment xml
modified resource files.
Modified the version of the app.
fix issues

add port duplication check in EV3ControllerBuilder
Merge remote-tracking branch 'origin/master'
complete implementation of threshold (Setting)

TODO: apply these settings to the device in ExecuteActivity