wip changes to gitinfo - output to json, using more popen vs. gitpython since that repo doesn't get updated
Merge branch 'master' into git_enhancements
fully popen based git info extraction
adding submodule traversal, removing cruft
moving commit url and ... master diff urls into commit blocks
fixing tab character escaping
wip placeholder for commit file change detection
Merge pull request #126 from dimagi/git_enhancements

Git enhancements - get project snapshot