Finally - this should fix everything
Revert "More refactoring and started to work on SimpleDB storage"

This reverts commit f89b3da11a4d42deffc8b9a4588f495418f4bb92.

Conflicts:
	Scheduler.Engine.Tests/TestJob.cs
	Scheduler.Engine/Engine.cs
	Scheduler.Job.EMail/EMailJob.cs
	Scheduler.Job/Data/ContextData.cs
	Scheduler.Job/Data/JobData.cs
	Scheduler.Job/Data/SerializableDictionary.cs
	Scheduler.Job/IEngine.cs
	Scheduler.Job/IJob.cs
	Scheduler.Job/JobBase.cs
	Scheduler.Job/JobData.cs
	Scheduler.Storage.Amazon/Scheduler.Storage.Amazon.csproj
	Scheduler.Storage.Amazon/StorageSimpleDB.cs
	Scheduler.Storage/IStorage.cs
	packages/repositories.config
All is fixed?
More fixes
Everything should be ok now

Finally