Add no description placeholder on events without descriptions. Fix #123 .
Use calendar name of iCal file to prefill calendar name on imports. Needs cozy-ical update.
Fix in sendmail confirm, Improve speed (avoid script not responding popup) in import view.
Update cozy-ical to 1.1.4 to support named import of ical file. Fix #111 .
Fix tests, missing X-WR-CALENDAR field in import-export tests.
Fix and cleanup in attendee list to send confirm mails.
build + Merge branch 'master' of github.com:cozy/cozy-calendar

Conflicts:
	build/client/public/javascripts/app.js.map
	build/client/public/stylesheets/app.css.map