Allow journal admins to see flow manager link in Nav
render correct flows for admin vs journal admin
[#79323986] Integration test for removing user
[#78864160] use one permission flag instead of two
Add the ability to remove participation
resize column headers when clicking Cancel on phase

[#80255838]
Merge branch 'master' into fix-phase-header-positioning
Add policy spec changes
Add #destroy tests for participations controller
Merge pull request #477 from Tahi-project/journal-admin-flow-mgr

Allow Journal Admin to see a Flow Manager specific to their journals
Attempt to fix intermittent broken capybara spec
Fix placement of cards on Paper Show screen
Merge branch 'master' into remove-participant
remove unncessary @mention capybara specs since they are being tested at unit level
Merge pull request #481 from Tahi-project/remove-participant

Remove participant
Remove `url` key from Sidekiq configuration

This way, Sidekiq uses its own conventions to work it out.
Merge pull request #482 from Tahi-project/support-multiple-sidekiqs

Remove `url` key from Sidekiq configuration
Merge pull request #479 from Tahi-project/fix-phase-header-positioning

resize column headers on click of 'Cancel' on phase
Use :null_session strategy for CSRF protection
:disappointed: Sidekiq can't understand keyword arguments yet