removed risk from UI
Story 53661561: Removed risk relationships from relationship types, eliminating tabs from impact/scope and entry from add-widgets list
Story 53661561: Removed risks and attributes from *dashboard* widget list
Merge remote-tracking branch 'origin/develop' into feature/remove-risk

Conflicts:
	src/ggrc/templates/shared/_related.haml
Merge pull request #107 from reciprocity/feature/remove-risk

Remove risks and risky attributes from application UI