Increase default DB queue size

See #2237
Throttle transcode starts during ingesting

This will make ingests a lot slower, but fixes #2237
Truncate asset.name to 32 chars in fileName

Fixes #2241
#2185 - institution thumbnails scale instead of crop
Fix transcode collection error handling: hack owner = -1

Should be fixed better, possibly only by recording errors when a
matching asset is found.
Audio isn't transcodable for now
Fix simple volume search not to match all with "undefined"
Merge branch 'staging'

A particularly messy merge.  Needs review, especially _figures.less,
baseline.js, and portrait.html.

Conflicts:
	app/assets/form/partyEditGrantForm.html -> app/assets/partyEditGrantForm.html
	app/assets/form/volumeEditAccessForm.html -> app/assets/partyEditAccessForm.html
	app/assets/javascripts/app.js -> deleted
	app/assets/javascripts/directive/baseline.js -> deleted
	app/assets/javascripts/view/searchView.js -> app/assets/view/searchView.js
	app/assets/panel/overviewVolumePanel.html
	app/assets/stylesheets/app/_figures.less -> deleted
	app/assets/templates/directive/portrait.html -> app/assets/directive/portrait.html
	app/assets/templates/directive/toolbar.html -> app/assets/directive/toolbar.html
	app/assets/templates/form/partyEditApplyForm.html -> app/assets/form/partyEditApplyForm.html
	app/assets/templates/panel/networkPanel.html -> app/assets/panel/networkPanel.html
	app/controllers/asset.scala
	app/models/slot_asset.scala
Include citation data in search targets