feat(compiler): parse5 DOM adapter

Closes #841

package.json

@@ -36,6 +36,7 @@
     "angular": "1.3.5",
     "bower": "^1.3.12",
     "canonical-path": "0.0.2",
+    "css-parse": "2.0.0",
     "del": "~1",
     "dgeni": "^0.4.1",
     "dgeni-packages": "^0.10.10",
@@ -63,6 +64,7 @@
     "merge": "^1.2.0",
     "minimatch": "^2.0.1",
     "minimist": "1.1.x",
+    "parse5": "1.3.2",
     "protractor": "1.7.x",
     "q": "^1.0.1",
     "run-sequence": "^0.3.6",