increase lock timeouts for archiving

services/track-changes/app/coffee/DocArchiveManager.coffee

@@ -7,6 +7,11 @@ _ = require "underscore"
 async = require "async"
 settings = require("settings-sharelatex")
 
+# increase lock timeouts because archiving can be slow
+LockManager.LOCK_TEST_INTERVAL = 500 # 500ms between each test of the lock
+LockManager.MAX_LOCK_WAIT_TIME = 30000 # 30s maximum time to spend trying to get the lock
+LockManager.LOCK_TTL = 30 # seconds
+
 module.exports = DocArchiveManager =
 
 	archiveAllDocsChanges: (project_id, callback = (error, docs) ->) ->