chore(package): update atom-linter to version 4.4.0

http://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -9,7 +9,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "atom-linter": "^4.3.4"
+    "atom-linter": "^4.4.0"
   },
   "providedServices": {
     "linter": {