Merge pull request #389 from raistlinthewiz/develop

Huge API & Storage layer refactoring
Merge pull request #391 from raistlinthewiz/develop

mpos mode implementation
Merge pull request #392 from raistlinthewiz/develop

Implemented IMigrationManager.cs
Merge pull request #393 from raistlinthewiz/develop

Implemented migration support & HybridStorageLayer
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Merge branch 'develop' of github.com:CoiniumServ/CoiniumServ into develop