fixed editlinks for firefox
Escape transcode arguments passed through ssh
Fix upload-driven transcoding to return pending asset

A bit more complicated future result from Transcode.start for more
flexibility on blocking.  Dump transaction on start since it's not
adding much.  Admins on transcode can be aware of transient states.
Improve ingest result display
Merge branch 'staging'

Conflicts:
	app/assets/volume/editLinks.html