remove antigen bundle: autojump.
vimperatorrc: add abbrev mdn.
add shell/man, use my own color setting for less.
shell/man: finetune color.
shell/path: minor formatting.
remove zshenv.
shell/rvm: remove if statement.
zshrc: merge zshenv into zshrc.
profile: source rvm last.
shell/go_env: add $GOPATH environment variable.