Updated imgur package version from "0.1.5" to "0.1.7"

Author: jackycute

package.json

@@ -23,7 +23,7 @@
     "express-session": "^1.11.1",
     "formidable": "^1.0.17",
     "highlight.js": "^8.4.0",
-    "imgur": "^0.1.5",
+    "imgur": "^0.1.7",
     "jsdom-nogyp": "^0.8.3",
     "lz-string": "1.3.6",
     "markdown-pdf": "^5.2.0",