* stable-2.14:
AbstractQueryChangesTest: Extend byDraftBy to include test for "has:draft"
AbstractQueryChangesTest: Add explicit tests for is:watched and watchedby:
AbstractQueryChangesTest: Add explicit tests for is:abandoned and status:abandoned
user-search: Clarify behavior of default search resulting in single change
user-search: Fix query used in "My > Watched Changes"
Documentation: Clarify ref-updated event content when ref is deleted
Fix markup in Documentation section sendemail
Allow graceful rolling restarts
Change-Id: Ia48cfdd339aec2274e700ad2a69fc2dbf20b06b6