Migrated to actual ical-generator

schedules/package.json

@@ -10,7 +10,7 @@
     "cookie-parser": "~1.4.3",
     "debug": "~2.2.0",
     "express": "~4.13.4",
-    "ical-generator": "git+https://github.com/srct/ical-generator.git",
+    "ical-generator": "^0.2.8",
     "mongoose": "^4.5.5",
     "mongoose-redis-cache": "0.0.3",
     "morgan": "~1.7.0",