added "switch" style alias for checkout
added relative log time
added syntax highlighting
added diff aliases
* FEATURE: blame shortcut ignores whitespace
* CHANGE: ignore whitespace on log
added ref names to log

inspired by holman@7356dbfd
default to no prefix for diff
default to vim editor
added rebase interactive
whitespace changes
added log reverse
added diff noprefix
added festive prompt
added prompts
prune remote branches on fetch
who uses stat?
rebase to origin used frequently
added command line colors on
why were my tab stops so high?