Added SettingsDialog class
Added set-up to Application
Added Dialogs to MainWindow
Added some stuff.
Revert "Added some stuff."

This reverts commit 19969598df205f0deaa15119a7d91ad8d6c9fe6a.
Revert "Revert "Added some stuff.""

This reverts commit 302d8347c5ba12cd56ed6a6371c94ae8ed1a49b4.
Added SettingsManager class
Added Namespace wrapper around class