Occitan (Mobilizon) - en to oc translation catalogue (2 entries)

[ctx: short_description.txt:1]
en: Mobilizon is a tool to help manage your events, your profiles and your groups.
oc: Mobilizon : una aisina per vos ajudar a gerir eveniments, perfils e grop.

[ctx: changelogs/1.txt:1]
en: First release
oc: Primièra version
