First (and ugly) maps integration.

Everithing should now be transformed into fragments
Signed-off-by: pralonga <aurelien.pralong@gmail.com>
Fixing build (Error: Could not find tool 'aapt')

Added comment about maven and android-maven-plugin versions compatibility.
Changed variables names according to this:
https://code.google.com/p/maven-android-plugin/wiki/GettingStarted
Now project builds successfully with mvn clean install.

Signed-off-by: Andrey Zhdanov <andrjufka@gmail.com>
Added build description
Signed-off-by: pralonga <aurelien.pralong@gmail.com>
Merge branch 'map'
Added instructions for maps.

Signed-off-by: pralonga <aurelien.pralong@gmail.com>