Removed dependency on Guardian Management plugin
Merge branch 'master' of github.com:guardian/frontend into remove-management-plugin

Conflicts:
	applications/app/Global.scala
	common/test/common/GuardianConfigurationTest.scala
Merge branch 'master' of github.com:guardian/frontend into remove-management-plugin
Merge branch 'master' of github.com:guardian/frontend into remove-management-plugin
Merge pull request #5339 from guardian/remove-management-plugin

Removed dependency on Guardian Management plugin