NXMOB-59: Align maven build on Android SDK package : Google Repository

Upgrade from com.google.android:support-v4:r7 to com.android.support:support-v4:19.1.0
Upgrade com.jayway.maven.plugins.android.generation2:android-maven-plugin from 3.6.0 to 3.9.0-rc.3
NXMOB-59 ignore .project files
Merge pull request #3 from artmoni/fix-NXMOB-59-maven-google-repository

NXMOB-59 Align maven build on Android SDK package : Google Repository