Shared examples for collaborations
Participations policy spec
Temp. try on journal
Comments policy
MMT policy spec.
Phase templates policy spec
Task templates policy.

[ci skip]
Journal roles policy.
Plos authors
Admin journals
reorder a bit
Questions
Funders policy spec.
Rename collaborations policy spec.
Temp decouple paper and journal from task
Remove unused methods
Merge branch 'master' into other-policy-cleanup

Conflicts:
	app/policies/task_access_criteria.rb
Remove leftover variable declarations
Update comments policy spec.
Fix comments policy.