Merge pull request #85 from AtomLinter/greenkeeper-atom-linter-4.5.1

chore(package): update atom-linter to version 4.5.1

Author: Arcanemagus

package.json

@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/AtomLinter/linter-htmlhint#readme",
   "dependencies": {
-    "atom-linter": "^4.3.4",
+    "atom-linter": "^4.5.1",
     "atom-package-deps": "^4.0.1",
     "htmlhint": "~0.9.12"
   },