Test Kevoree/ThingML on Android

[brice-morin]

• refresh the Kevoree/Android platform so that:
  • [ ] it leverages the latest version of Kevoree (5.x)
  • [ ] it works with latest version of Android IDE, platform, etc
• [ ] manually modify Java code generated from ThingML so that it can run in Android
• [ ] update Java generator to be able to generate proper Android code