Update ATS querying pipeline to meet Northwind spec

Use factories and DI
Refactored TableFilter construction into a factory
Support for shadow state properties
Beginnings the Fluent API extension for ATS
Refactored POCO support to use already optimized clr accessors
Unit tests and bug fixes for ATS. Remove dependency on WindowsAzure assembly for functional tests. Remove redundant tests. Fix bugs in query pipeline and batching

Rename classes.
Merge pull request #295 from natemcmaster/AzureTableStorage

ATS: Update querying pipeline to meet Northwind spec