I changed the way backgrounds were retrieved from the candidate and fixes #209 and fixes #114
Added failing test for repeated background categories
Merge branch 'bug_repeated_backgrounds' into categories_display_bug_fix
writing a test for bug #114
Writing a test for bug #114 and now passing
Merge pull request #210 from ciudadanointeligente/categories_display_bug_fix

Categories display bug fix
Merge pull request #211 from ciudadanointeligente/dev

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