Added simple settings view
Improved settings controller.
Refactored code, fixed on-click action.
Refactored and simplified SettingsController
Implemented connection with SettingsManager
Improved SettingsController

-Added css file to handle settings view style
-Simpliefied SettingsController structure
-Added SettingSButton class
Some cosmetic changes in SettingsController, settings.fxml and settings.css
Improved SettingsController

-Handled key bindings collision problem
SettingsController last improvement.

-Handled clicked-button collision
Refactored
Merge pull request #19 from BombasticOctocat/kp_settings

Settings view