settings: add CGUIDialogSettingsManualBase
fix CSettingList constructor
settings: add ISettingContorl::SetDelayed()
fix settings base
fix settings manual base
DatabaseQuery: move value separator define to header
fix settings base
[confluence] adjust DialogMediaFilter.xml
settings: allow to pass custom data to the setting options filler implementations
fix manual base
settings: use CSetting::CheckValidity() instead of CSetting::FromString() for input validation
fix settings manual base
adjust CGUIDialogMediaFilter to derive from CGUIDialogSettingsManualBase