Changed to use StringClob because of issues with NH sometimes truncates the value to 4001 chars before persisting it, relates #737

Conflicts:
	src/nhibernate/NServiceBus.NHibernate/GatewayPersister/NHibernate/Config/GatewayMessageMap.cs
	src/nhibernate/TimeoutPersister/NServiceBus.TimeoutPersisters.NHibernate/Config/TimeoutEntityMap.cs
Column TimeoutEntity.Endpoint length is incorrect, fixes #1191

Conflicts:
	src/nhibernate/NServiceBus.NHibernate/TimeoutPersisters/NHibernate/Config/TimeoutEntityMap.cs
Updating a few links to point to the new website
Add overloads that take actions when testing sagas.

Conflicts:
	src/testing/NServiceBus.Testing.Tests/SagaTests.cs
	src/testing/Saga.cs
Fixing a typo the in the installer
Updating nugets with a new icon url
Adusted the test examples to work with the added saga test methods
Merge branch '3.3.8'