updated readme

Author: zjrosen1

README.md

@@ -2,10 +2,8 @@
 
  cd ~
  git clone http://github.com/zjrosen1/vim.git ~/.vim
- ln -s ~/.vim/vimrc ~/.vimrc
- ln -s ~/.vim/gvimrc ~/.gvimrc
- cd ~/.vim
- git submodule update --init 
+cd .vim
+./install.sh
 
 ## Installing plugins as git submodules