Projects whose name begins with a number does not build for android

There are a couple of bugs related to legal package naming in java.

1) Package names that begin with a number eg: "2dpainting" should be padded with an underscore to "_2dpainting".
2) Java reserved words cannot be used.

References:

1) http://docs.oracle.com/javase/tutorial/java/package/namingpkgs.html
2) http://docs.oracle.com/javase/specs/jls/se7/html/jls-3.html#jls-3.8