en to en_GB translation catalogue (9 entries)

[ctx: @action]
en: Align &Center
en_GB: Align &Centre

[ctx: @label center justify]
en: Center
en_GB: Centre

[ctx: @action]
en: Text &Color...
en_GB: Text &Colour...

[ctx: @label stroke color]
en: Color
en_GB: Colour

[ctx: @action]
en: Checkbox
en_GB: Tick box

en: Background Color:
en_GB: Background Colour:

en: Center
en_GB: Centre

en: Modify search behavior
en_GB: Modify search behaviour

en: No backend available for spell checking. Do you want to send the email anyways?
en_GB: No backend available for spell checking. Do you want to send the email anyway?
