ELIS-4070: Support multivalued custom fields in reports output
(cherry picked from commit 429658ecf1d2e0acbdd3a498add7df7830887ad6)

Conflicts:

	instances/user_class_completion/user_class_completion_report.class.php
	version.php
ELIS-8361: Fix UCCR filter value persistance
Merge remote-tracking branch 'origin/wip-ELIS-4070-m22' into PHPREP_2.2.0.19

Conflicts:
	version.php
Merge remote-tracking branch 'origin/wip-ELIS-8361-m22' into PHPREP_2.2.0.19