Merge pull request #11 from rightscale/teal_13_09_acu111314_warn_git_repo_size_limit_exceeded

Teal 13 09 acu111314 warn git repo size limit exceeded
acu116681 - Missing instance variable causing exception to be raised.
Merge pull request #17 from rightscale/teal_13_11_acu116681_gitsvn_broken

Teal 13 11 acu116681 gitsvn broken