bump knox

services/filestore/package.json

@@ -12,7 +12,7 @@
     "express": "~3.4.8",
     "grunt-mocha-test": "~0.8.2",
     "heapdump": "^0.3.2",
-    "knox": "~0.8.8",
+    "knox": "~0.9.1",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#master",
     "longjohn": "~0.2.2",
     "lynx": "0.0.11",