Merge remote-tracking branch 'origin/7.x-1.x' into deploy-revisions
Tweak keep revision logic
fix notices
Fix order in query chained method calls
Add URI hooks to hook_info()
Issue #1608914 by apotek: Update existing empty UUIDs for taxonomy terms
Issue #1599496 by apotek: Allow updating of node UUIDs where existing entry is empty
Issue #1236768 by dave_robinson: Fix UUID sync
Issue #1439016 by apotek: Fix pass by reference error
Issue #1108242 by skwashd: Respect configuration when generating UUIDs for nodes.