pipeline: Added queue counter based upon queue hooks
bot: Added display of queue counter to status
dashboard: Added queue counter to job status line
Merge branch 'mback2k-topic/queue_counter'

Conflicts:
	bot/job_status_generation.rb
	dashboard/assets/javascripts/models.js.coffee
	dashboard/assets/stylesheets/app.css
	dashboard/dashboard.html
Show remaining queue length in dashboard.  #96.

Also show total number of queued and downloaded items as a title
attribute.
Bump pipeline version.