adding : in keymap

we need to add a `:` to keymap for it to show up in settings view

Author: tcarlsen

keymaps/htmlhint.json

@@ -1,5 +1,5 @@
 {
     ".editor.html": {
-        "cmd-alt-l": "htmlhint"
+        "cmd-alt-l": "htmlhint:hint"
     }
 }

lib/init.js

@@ -15,7 +15,7 @@ module.exports = {
 
         keymap.setFileClasses();
 
-        atom.workspaceView.command('htmlhint', linter);
+        atom.workspaceView.command('htmlhint:hint', linter);
 
         atom.config.observe('htmlhint.validateOnSave', {callNow: true}, function (value) {
             if (value === true) {