Updates to ochack_problem.
Remove oc_related_content_reference from ochack_problem (should be in oc_core) and added problem description field
Add related content field and view to opencivic_core feature.
Add entityreference_view_widget to make file.
Add new related content field config to opencivic_application and opencivic_organization.
Merge pull request #140 from civic-commons/new_entityref_setup

New entityref setup