use my patched version of east until PR is accepted

package.json

@@ -4,7 +4,7 @@
   "description": "An online collaborative LaTeX editor",
   "dependencies": {
     "async": "^0.9.0",
-    "east": "^0.2.3",
+    "east": "git+https://github.com/henryoswald/east.git#master",
     "east-mongo": "^0.1.2",
     "grunt-shell": "^1.1.1",
     "lodash": "^3.0.0",