* positional parameters fixed: glob expand disabled in script, -m "arg" can be placed anywhere
* mtn_commit added
git_checkout/git_update: branch parameter support
merge of 'a7bff1d61f8aae47b0caaa3a9714fe634ed2f183'
     and 'badcc80aa6c31c0c314a79dafb8cf836085ea8c1'