* update gitconfig with gvimdiff/mvimdiff
* add git_get_head helper to parse out SHA of repo checkout
* add aliases for vcloud type helpers/functions
* ARCHFLAGS nonsense for nokogiri build issues with beaker and osx 10.9
   libiconv
* export GIT_PS1_SHOWDIRTYSTATE=true : shows git status on PS1
* fix line not wrapping issues with PS1 prompt due to un escaped colors
* whole bunch of vim config stuff re: tags, vim-ruby, etc