fix(deps): instantiate HTMLHint

It seems like in the v0.11 release they completely broke the old method 
of getting a working HTMLHint instance. This code seems to give us 
something that passes the specs at least.

Author: Arcanemagus

lib/index.js

@@ -56,7 +56,11 @@ const loadDeps = () => {
     ({ dirname } = require('path'));
   }
   if (!HTMLHint) {
-    ({ HTMLHint } = require('htmlhint'));
+    const htmlhintModule = require('htmlhint');
+    HTMLHint = new htmlhintModule.HTMLHint();
+    Object.keys(htmlhintModule.HTMLRules).forEach((rule) => {
+      HTMLHint.addRule(htmlhintModule.HTMLRules[rule]);
+    });
   }
   if (!findAsync || !generateRange) {
     ({ findAsync, generateRange } = require('atom-linter'));