konquest - en to en_GB translation catalogue (3 entries)

note: i18n: ectx: property (windowTitle), widget (QWidget, newGameDialog)
en: Dialog
en_GB: Dialogue

note: i18n: ectx: property (text), widget (QPushButton, randomizeMap)
en: &Randomize
en_GB: &Randomise

en: Turn # %1
en_GB: Turn No. %1
