[OEM-255] use new printEvent method
[OEM-255] fixed printing (using old PDF method)
[OEM-258] show unscheduled bookings as well as scheduled ones when creating a consent form event.
[OEM-255] made consent form 1 work with the new PDF printing system.
[OEM-255] updated consent form print views to work with the new PDF printing system.
bugfix

Conflicts:
	views/default/select_event.php
[OEM-255] page margins are set using wkhtmltopdf now.
Merge branch 'jira/OEM-255'
Merge branch 'jira/OEM-258'

Conflicts:
	views/default/select_event.php
updated release
Merge branch 'master' into feature/glaucoma-2.1