[#71587328] Updating service-webhooks and adding TeamSnap support

This adds updates to the service-webhooks project and adds support for the TeamSnap integration.

This pull request is dependent on:
https://github.com/AllPlayers/allplayers-mainline/pull/3912
https://github.com/drupalprojects/resque/pull/1
https://github.com/mattsqd/allplayers-api/tree/75815340-Partner_mapping_7-25-14
You can define this function in the Teamsnap SimpleWebhook class (its parent) with all the common functionality like the bottom 3 lines and then just call parent::process() on all webhook types.