Add install script

install.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+function do_link {
+    if [ ! -h "$2" ]; then
+        ln -sf "~/.dotfiles/$1" "$2"
+    fi
+}
+
+[ ! -d ~/.dotfiles ] && git clone git@github.com:hlissner/dotfiles.git ~/.dotfiles
+
+do_link zsh ~/.zsh
+do_link zshrc ~/.zshrc
+do_link zshenv ~/.zshenv
+do_link tmux.conf ~/.tmux.conf
+do_link gitignore ~/.gitignore
+do_link gitconfig ~/.gitconfig
+do_link bashrc ~/.bashrc
+do_link ctags ~/.ctags
+do_link rake ~/.rake