Add git lg alias
Add lg alias for git lg
ignore vim's netrwhist
modify for cygwin
Merge branch 'cygwin' of github.com:datamadsen/dotfiles into 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).