Merge branch 'system_preferences' of github.com:takeit/Newscoop into plugins_dashboard
update vendors - clean
update vendors - clean, fix
add private_plugins directory to repo
add upgrade command (revert plugins to composer after composer.json/lock files update)
Merge branch 'master' of github.com:sourcefabric/Newscoop into plugins_dashboard
Merge pull request #441 from ahilles107/plugins_dashboard

Plugins dashboard