rem: KMFilterActionIdentity::KMFilterActionIdentity(): KMFilterAction("set identity")
add: KMFilterActionIdentity::KMFilterActionIdentity() : KMFilterActionWithStringList( "set identity", i18n("set identity to") )
context: KMFilterActionIdentity::KMFilterActionIdentity(): KMFilterAction("set identity"){  id = i18n( "Default" );}