Revert "Huge refactoring - Cleaning up the form and moving the logic to StateProcessor & co"

This reverts commit cd9c8c943e94ac2cbda7079a6216543f7ac0733b.

Conflicts:
	SlackWindowsTray/MainWindow.cs
	SlackWindowsTray/SlackState/StateProcessors/SnoozingProcessor.cs
	SlackWindowsTray/SlackState/StateProcessors/StartProcessor.cs
	SlackWindowsTray/SlackState/StateProcessors/StateAnimationProcessor.cs
	SlackWindowsTray/SlackState/StateProcessors/StateCallbackProcessor.cs
	SlackWindowsTray/SlackState/StateProcessors/StateProcessorBase.cs
	SlackWindowsTray/SlackState/StateService.cs