add secure option to vimrc
Squashed 'vim/bundle/vim-coffee-script/' content from commit 18c6852

git-subtree-dir: vim/bundle/vim-coffee-script
git-subtree-split: 18c68524ab8a043a566bbe227ea8f81ab922d092
Merge commit 'ef2a5532c93be614b585be395f1ade25dc4e20e5' as 'vim/bundle/vim-coffee-script'
Squashed 'vim/bundle/vim-nerdtree-tabs/' content from commit 5fbe62e

git-subtree-dir: vim/bundle/vim-nerdtree-tabs
git-subtree-split: 5fbe62ef0ee8b15a282cae412ce04e8c302ead77
Merge commit '3fd8a3899e6a27965b82876af049678aff9abf9e' as 'vim/bundle/vim-nerdtree-tabs'