First version of filterbox
Further work on the new filter boxes
Small changes to filter boxes
Add more padding to bottom of filterbox
Merge branch 'develop' into feature-filterbox

Conflicts:
	app/views/welcome/index.html.slim
moves workers that require sidekiq por to their own queue in production only
refs #860, fixes images to be not animated
refs #1098, replaces mass_upload finished notify by email
removes terms_pdf from mass upload finished and failed message
refs #1176, adapts footer in static pages
refs #1195, allows iframes, adds iframe layout (set by iframe param)
adds test to render iframe layout for iframe=true
Update filter boxes and libraries feature test
Merge branch 'develop' into feature-filterbox
Remove competition texts from welcome and sign-up pages
Change 'edel' to 'klein&edel'
First commit
Increased the display of the trending libraries on index page from 3 to 5.
refs #1211, avoids separate db call for pagination
New tab is now default on Libraries Index.