sahara-plugin-spark - en to en_GB translation catalogue (2 entries)

en: Adding abilitiy to create spark images using Sahara Image Pack.
en_GB: Adding ability to create spark images using Sahara Image Pack.

en: Python 2.7 support has been dropped. Last release of sahara and its plugins to support python 2.7 is OpenStack Train. The minimum version of Python now supported by sahara and its plugins is Python 3.6.
en_GB: Python 2.7 support has been dropped. Last release of Sahara and its plugins to support Python 2.7 is OpenStack Train. The minimum version of Python now supported by Sahara and its plugins is Python 3.6.
