Add support for basic languages

coffee, cucumbeer, eruby, haml, haskell, javascript,
json, less, nginx, ocaml, ruby, sass, scss, slim,
stylus, textile, tmux

ftdetect/javascript.vim

@@ -0,0 +1,11 @@
+au BufNewFile,BufRead *.js setf javascript
+au BufNewFile,BufRead *.jsm setf javascript
+au BufNewFile,BufRead *.json setf javascript
+au BufNewFile,BufRead Jakefile setf javascript
+
+fun! s:SelectJavascript()
+  if getline(1) =~# '^#!.*/bin/env\s\+node\>'
+    set ft=javascript
+  endif
+endfun
+au BufNewFile,BufRead * call s:SelectJavascript()