Don't include property when type has DataContractAttribute but member hasn't DataMemberAttribute
Ease updating type hash

The weaver now copies the type hash to the clipboard when the hash has to be updated.
Use WinForms clipboard

WPFs clipboard threw an exception at build time
Revert "Use WinForms clipboard"

This reverts commit 351d6d242bacfa1c5700a47b30e487c79975c9a7.
Run clipboard stuff in STA thread
Clear clipboard at the beginning of the test
Merge branch 'release/0.4.0'