Publisher not publishing derived events for classes, fixes #1558
Removed SubscribePlainMessages as it is not required
fixed json serializer issue

Conflicts:
	src/NServiceBus.Core.Tests/Serializers/Json/JsonMessageSerializerTest.cs
Merge pull request #1562 from Particular/Issue_1558

Issue 1558
Merge remote-tracking branch 'origin/hotfix-4.0.5'
Updated installer certificate
Tests fail with ConfigurationErrorsException

tests fail with 'Multiple serializers are not supported. Please make
sure to only enable one' if using any serializer other than xml. remove
explicit configuration since GetFeaturesToInitialize uses
DefaultSerializer

(cherry picked from commit 7c80c38d3808828a79bd970651cbd98415f84cf5)
Merge branch 'hotfix-4.0.5'
The package version is now used for the pop-up link.
Merge branch 'hotfix-4.0.5'