changes needed to be compatible with Metacello support for bitbucket and gitorious repositories (https://github.com/dalehenrich/metacello-work/issues/233)
Merge branch 'master' into dev
fix bug in `project entry --config...`
bullet proof against missing local git repositories
clean up some undefined symbols
#useNew and #useLoaded for upgrade exceptions to be compatible with recent Metacello changes
Merge pull request #122 from dalehenrich/dev

Pick up recent changes that include support for latest Metacello release