kjumpingcube - en to en_GB translation catalogue (4 entries)

note: i18n: ectx: label, entry (Color0), group (Game)
en: Color of neutral cubes.
en_GB: Colour of neutral cubes.

note: i18n: ectx: label, entry (Color1), group (Game)
en: Color of player 1.
en_GB: Colour of player 1.

note: i18n: ectx: label, entry (Color2), group (Game)
en: Color of player 2.
en_GB: Colour of player 2.

note: i18n: ectx: property (title), widget (QGroupBox, groupBox_4)
en: Players' Colors
en_GB: Players' Colours
