Adding waterline-schema dep (hack) and limiting waterline to 0.10.27

waterline-schema is not a direct dependency for sails-orientdb (it's a dependency for waterline) but 0.10.19 breaks the tests so we are keeping it at v0.10.18 so the tests run. This is a temporary solution until the necessary code changes are made.

package.json

@@ -55,7 +55,8 @@
     "istanbul": "^0.3.5",
     "jshint": "*",
     "mocha": "*",
-    "waterline": "~0.10.18",
+    "waterline-schema": "0.1.18",
+    "waterline": "0.10.27",
     "waterline-adapter-tests": "0.10.11"
   },
   "waterlineAdapter": {