better git log format

show commiter name
better word diff regex for git

so that git dww shows a better diff
ruby GC settings in ~/.zsh/local
updated git aliases in gitconfig
change Makrfile for vimrc.after
changes to zsh local
Merge branch 'master' of https://github.com/tor-ivry/dotfiles

Conflicts:
	system-gitconfig
	user-gitconfig
	vimrc.after
	zsh-local