Preserve recoverable property

We now preserve the recoverable property of incoming message so that we
can apply the correct durability mode when forwarding to error/audit queue

Closes #21
Locking nuspec deps
Updating to GitVersion 1.2

So that TC will pick up the correct version and apply that to the nuget
Adding replacement token for version
fix msbuild path
Merge branch 'hotfix-1.1.4'