utils: add CBooleanLogic implementation
utils: add IXmlDeserializable
CGUISpinControl: support (string, string) entries
added actions settingsreset and settingslevelchange
settings: add new settings system
settings: add (platform-specific) settings definitions
[win32] update VS project files
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