#54 refactor fabric-git-hawtio so it can reuse the GitDataStore and the same git checkout to avoid requiring 2 checkouts
#54 switch to the git based DataStore implementation by default
#54 now we only have 1 git checkout per container, revert to simpler directory name for the local checkout (as the double use of 'fabric' in the paths was confusing)
#54 removed old cruft
fixed up wrong group ids
fixed up wrong artifact ids