UC Followup (6.x-1.0-beta3) - en to sr translation catalogue (4 entries)

en: Delete
sr: Избриши

en: Cancel
sr: Поништи

en: Disabled
sr: Искључено

en: 1 hour | @count hours
sr[0]: @count час
sr[1]: @count часа
sr[2]: @count[2] часова
