Implementing the AsyncQuery method and the async value generation code.
Enabled the NorthwindAsyncTests and updated the tests for value generation.
Combined various methods in RedisDatabase and RedisQueryContext etc to
return object[]'s and put materialization/projection into
QueryMethodProviders.
Cleaning up Redis SimplePoco tests
Added support for sequences to migrations.
Added the following migration operations: MoveSequence, RenameSequence, AlterSequence.
Added unit tests.
NuGet Commands: Support win81, wpa81 & portable projects
removed fakes from perf test project
Temporarily disabling 4 tests that fail.
Adding null logger to models to extinguish an error from DI
Fix for GitHub issue 815: Migrator.UpdateDatabase fails when there are no migrations (and no database)
Added missing checks and unit test.
Fix for tests temporarily disabled.
Add missing .kproj files
Update EntityFramework.Redis.csproj to reflect actual target framework
Updates to ILogger, see aspnet/Logging#3
removed empty return
Merge branch 'update-ilogger' of https://github.com/aspnet/EntityFramework into update-ilogger

Conflicts:
	src/EntityFramework/Services/NullLoggerFactory.cs