Verify the project only on new tickets or when it is changed with the project flag

It's not mandatory to set the project on updates, if we require it any time we try to update something and we don't pass the project parameter the request will fail.

![](http://cl.ly/image/2B1S3R0g1L0b/Image%202014-03-28%20at%205.13.31%20PM.png)