fixed small bug; sometimes device metadata would never be created. Now, I force it right after devices are downloaded and created.
Merge remote-tracking branch 'origin/force_device_metadata' into IDOC_demo

Conflicts:
	kalite/securesync/api_client.py
Merge branch 'IDOC_demo' of github.com:bcipolli/ka-lite into IDOC_demo
allow verification of other devices if signed by a trusted device
stupid merge miss
Merge branch 'verify_device_via_trusted' into IDOC_demo