Add 'stat' alias to show details for a commit
Prune on pull

Deletes local branches that has been deleted on origin.
Add bclean git alias

Clean up branches that has already been merged into 'master'.
modify for cygwin
Make `gitbranch` aware of external .git-dirs

.git directories may reside outside of working-copy dir. In that case, the
git-dir path will be read from the '.git' file and canonlicazed with readlink.

Known bug: will not if cd'ing into subdir of working copy (because of .git
location).
Merge branch 'cygwin' of github.com:datamadsen/dotfiles into cygwin