Summary: Fixes T10681. Adds a search API endpoint and an edit API endpoint for Phurl URLs. I still need to add the ability to search by name, alias, URL, and maybe description.
Test Plan: Test the methods through `/conduit/method/phurls.search/` and `/conduit/method/phurls.edit/`
Reviewers: epriestley, #blessed_reviewers
Reviewed By: epriestley, #blessed_reviewers
Subscribers: Korvin, epriestley, yelirekim
Maniphest Tasks: T10681
Differential Revision: https://secure.phabricator.com/D16600
