altered osx default
remove github wrapper, add hostname to prompt
adding rbenv support back in
python's install.sh doesn't really do much for me.
only try to mess with homebrew on osx.  additionally, dot will use the
script/install.sh utility
fixed bug in dot, added a vim install.sh for pathogen
Merge branch 'master' of https://github.com/jwin/dotfiles into apex-wks6

Conflicts:
	git/aliases.zsh