Merge pull request #416 from jeffjung-AI/master

Fix OracleOrmLiteDialectProvider to read large double values correctly
re-code gen signed projs
Add JsonDataContractSerializer test for SqlServer
Add Example of Using Custom SQL with DATEPART
Update SS dlls
Add new SqlServerV45 .NET 45 build of OrmLite.SqlServer with enabled async support
Add .NET 4.0 shim to make Tasks awaitable
Missing .NET 4.0 Task utils
Add new Async API's under SS.OrmLite.Async namespace
Add new SqlServer .NET 4.5 project to test SqlServer async support
code-gen update .Signed projs
Move AsyncUtils to Async namespace
Add fix for expression with column reference on joined table
Update SS Interfaces