CApplication: integrate new settings system
CGUIWindowSettingsCategory: integrate new settings system
[skin.confluence] add a sidebar to SettingsCategory.xml
CWeatherManager: integrate settings callbacks
CRssManager: integrate settings callbacks
CPeripherals: integrate settings callbacks
libscrobbler: integrate settings callbacks
CWebServer: integrate settings callbacks [WIP]
CApplication: integrate settings callbacks [WIP]
CUtil: add ValidatePort() method
fix CSettings
fix CGUIWindowSettingsCategory
fix settings
settings: add CApplicationSettings
CApplicationSettings
settings: add CSkinSettings
wip CApplicationSettings
settings: add CProfileSettings
settings: integrate sub-setting implementations into CSettings
wip CProfileSettings