tweaked mysql config settings

restexpress/config/dev/environment.properties

@@ -3,7 +3,7 @@ executor.threadPool.size = 300
 
 # A MongoDB URI/Connection string
 # see: http://docs.mongodb.org/manual/reference/connection-string/
-mongodb.uri = mongodb://localhost:27017/hello_world
+mongodb.uri = mongodb://localhost:27017/hello_world?maxPoolSize=300
 
 # A MySQL URI/Connection string
 mysql.uri = jdbc:mysql://localhost:3306/hello_world