Add elm support, closes #81

autoload/elm/io.vim

@@ -0,0 +1,12 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'elm') == -1
+  
+" System IO
+
+" Craft a system command and run it, returning the output.
+function! elm#io#system(program, args)
+  let cmd ="which " . a:program . " && " . a:program . " " . a:args
+  return system(cmd)
+endfunction
+
+
+endif