Relax required axios version range

Author: rok-povsic

package.json

@@ -16,7 +16,7 @@
     "clean": "gulp cleanbuild"
   },
   "dependencies": {
-    "axios": "^0.11.1",
+    "axios": ">=0.11.1 <2",
     "promise": "^7.1.1",
     "valid-url": "^1.0.9"
   },