en to en-ZA translation catalogue (4 entries)

[ctx: RID_SVXITEMS_COLOR_GRAY]
en: Gray
en-ZA: Grey

[ctx: RID_SVXITEMS_COLOR_LIGHTGRAY]
en: Light Gray
en-ZA: Light Grey

[ctx: RID_SVXITEMS_HORJUST_CENTER]
en: Centered horizontally
en-ZA: Centred horizontally

[ctx: RID_SVXITEMS_VERJUST_CENTER]
en: Centered vertically
en-ZA: Centred vertically
