[Pharo-project] new settings slice

Hi again, SLICE-SettingsIntegration-2711 is in Inbox. Tools-SystemSettings and FreeType-SystemSettings are new packages dedicated to the declaration of some system settings. As such, they are removable as System-Settings package is. ... -------------------------- * a setting declaration is now implemented with a builder passed as argument * migration of few preferences * add Tools-SystemSettings and FreeType-SystemSettings as first system settings user interface specific packages In order to browse current set of settings: SystemSettingBrowser open In the browser, cmd-b on selected row should open a class browser on the selected setting declaration method --------------------------- Cheers Alain