added aar as supported extension
added aar lifecycle mappingn and artifacthandler for aar initially as copy of apklib
a bit more stuff for aar support done .. just copied apklib setup for now
adding aarmojo as copy of apklib mojo for starters
Adapt AarMojo to include the compiled classes as classes.jar
Add AAR as an Android Project type
Use .aar step 1
Prepare R.txt (still need to convert the java into what is supposed to be in txt)
fix from cherry-pick
Added R.txt
Also include native lib from apklib's
checkstyle line too long
consume aar
AAR lib
Merge pull request #227 from Shusshu/aar

Aar
Merge pull request #228 from Shusshu/aar-consume

Aar consume
Merge branch 'aar'

Conflicts:
	pom.xml
Merge branch 'master' of github.com:jayway/maven-android-plugin
replaced loading sdklib from sdk with loading from plugin classpath
added wrapper class renamed from ApkBuilder