* Reworked the dot-net API
   Now actually works and is much much improved.
 * Change the dotnetplugin.dll name to NSCP.Core.dll
 * Removed all "helpers" from the API and added a separate NSCP.Helpers.dll
 * All C# code is now built using cmake
 * CSharpSample plugin is now included in cmake build
 * Added protobuf_net and a compiled proto file to NSCP.Protobuf.dll
 * Much bugfixing and tweaks and changes to dot-net plugin
 * Change the directory structure of various components to make things easier to find
 * Cleaned up the cmake build a bit
 * Removed some old stale artifacts
 * Changed name of nscapi_plugin_interface.hpp to nscapi_helper_singleton.hpp to better reflect what it is