Adds support to unwrap_full_update.pl to detect if the mar file's contents were compressed using bzip2 and if not to default to lzma, a=app_update_lzma
Update scripts to support both lzma and bzip2
Update unused python script to support lzma. This also adds python 3.0 support to the script while still supporting pythin 2.7
Update test scripts to support lzma