add sentry logging

services/spelling/app.coffee

@@ -1,6 +1,9 @@
 Settings = require 'settings-sharelatex'
 logger = require 'logger-sharelatex'
 logger.initialize("spelling-sharelatex")
+if Settings.sentry?.dsn?
+	logger.initializeErrorReporting(Settings.sentry.dsn)
+
 SpellingAPIController = require './app/js/SpellingAPIController'
 express = require('express')
 Path = require("path")

services/spelling/package.json

@@ -14,7 +14,7 @@
     "express": "^4.12.1",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.1.0",
     "lru-cache": "^4.0.0",
-    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.3.0",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.5.0",
     "mongojs": "1.3.0",
     "node-statsd": "0.0.3",
     "redis": "~0.8.4",