style(zsh): reindent g
vimrc: add coffeescript and mustache/handlebars highlighting
git: rebase on pull, push to tracking
vimrc: highlight Gemfile as Ruby
vimrc: indent Go with tabs
gitignore: add zsh/.zhistory
Squashed 'zsh/z_cd_jumper/' content from commit 5741d90

git-subtree-dir: zsh/z_cd_jumper
git-subtree-split: 5741d9044d88f97833f8d086a8d3b3c4aff7958e
Merge commit 'db8a7da3673c083c3cb0c4f0cada74eb53527b7c' as 'zsh/z_cd_jumper'
add z to zshrc