Made qt target standalone for tablet
Refactored Studio in preparation for standalone tablet application.
Implemented standalone VPL tablet application.
Added version information.
* dashel and aseba cross-build scripts
* initial structure of thymiovpl
android: Add usb support

The support is still draft. It implement a reduced cdc-acm
transport layer limited to the Thymio target.
Merge pull request #179 from retornaz/vpl-tablet

android: Add usb support
Removed wrong include.
Android: Implement blocking permission request
Merge branch 'vpl-tablet' of git://github.com/aseba-community/aseba into vpl-tablet
android: Dynamically discover endpoints

Make the code more future proof.
Merge pull request #180 from retornaz/vpl-tablet

Vpl tablet: Improve usb support
* Build and debug scripts for Thymio VPL tablet application
* Android build script modifications and deletions
Merge branch 'vpl-tablet' of ssh://github.com/aseba-community/aseba into vpl-tablet

Conflicts:
	android/thymiovpl/AndroidManifest.xml
* Tested "hack" Android transport stream for Thymio VPL
* Complete documentation of the Android build system in android/README.txt
Updated build instructions.
Updated instructions to use only necessitas.
Do not include .moc, use proper wrap in CMakeLists.txt