Fixed bad signature.
https://github.com/openpeer/opandroid/issues/487
Added logging to contact class to try to catch getForSelf issue. Fixed message ID method call.
OPAvatar is now static class.
https://github.com/openpeer/opandroid/issues/485
Merge branch 'feature-20140414-jni-refactoring' into feature-20140730-merge-jni