add WP solution
Merge branch 'develop' of github.com:ctriposs/baiji.net into develop

Conflicts:
	Baiji.Rpc.Client/ServiceClientBase.cs
	Baiji.Rpc.Common/Types/CheckHealthRequestType.cs
	Baiji.Rpc.Common/Types/CheckHealthResponseType.cs
	Baiji.Rpc.Common/Types/CommonRequestType.cs
	Baiji.Rpc.Common/Types/GenericErrorResponseType.cs
	Baiji.Rpc.Common/Types/PaginationInputType.cs
add WP csproject