en to en_GB translation catalogue (2 entries)

[ctx: en_en_US.properties hlp_cap property.text]
note: XLAkL
en: Check missing capitalization of sentences.
en_GB: Check missing capitalisation of sentences.

[ctx: en_en_US.properties cap property.text]
note: rBBKG
en: Capitalization
en_GB: Capitalisation
