Fix: bug - DeserializeWithLengthPrefix / enums

git-svn-id: http://protobuf-net.googlecode.com/svn/trunk@640 b72047a4-3652-0410-9617-b3994939e97b
Additional build scripts

git-svn-id: http://protobuf-net.googlecode.com/svn/trunk@641 b72047a4-3652-0410-9617-b3994939e97b