Update addons-linter to 0.7.0 (#2804)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "addons-server",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "private": true,
   "engines": {
     "node": ">= 0.10.x",
@@ -12,6 +12,6 @@
     "less": "1.3.x",
     "stylus": "0.32.x",
     "uglify-js": "2.4.x",
-    "addons-linter": "0.6.0"
+    "addons-linter": "0.7.0"
   }
 }