Fix for a .NET Uri bug
Fix for a .NET Uri bug

After some poking around it turned out that .NET < 4.5.1 incorrectly
esapes some characters essential to MessageUrn doing its job properly.

vebin/MassTransit,ccellar/MassTransit,abombss/MassTransit,ccellar/MassTransit,abombss/MassTransit,ccellar/MassTransit,abombss/MassTransit,ccellar/MassTransit,vebin/MassTransit