Implemented transaction object format for getblocktemplate().
Moved CoiniumServ code to src/CoiniumServ.
Added xunit based src/Tests.
Added moq nuget package.
Added basic merkle-tree implementation.
Added BouncyCastle (crypto) nuget package.
Added SHA256 class.
Merge pull request #68 from raistlinthewiz/develop

Basic merkle-tree implementation & getblocktemplate::transaction() format