[#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
Ah, yes this is a duplicate function call. I didn't notice any anomaly during testing because the `process()` method is very simple and only calls [`parent::post()`](https://github.com/zackurben/service-webhooks/blob/dev/lib/AllPlayers/Webhooks/Webhook.php#L429-L454), thanks for catching this.