Added msmq config for v4/5 to snippets
WIP fixing the structure of the doc
Put V5/4 first, V3 later
Added snippets related to msmq transport conif
Added missing snippets for v4. Reorganized the doc.
Added missing csproj files
Fixed snippet names to match John's convention in multi-version snippets
Merge pull request #438 from Particular/fix-msmqtransportconfig

Review & fix msmqtransportconfig doc wrt 5.0