Adds a dont use popit and dont use writeit possibility
adds a settings explanation of use_popit and use_writeit
Using override settings instead of plain old settings.USE_POPIT because that was making tests fail
Merge pull request #46 from ciudadanointeligente/updating_popit_django

Updating popit django
possible fix of tinymce
Merge pull request #50 from ciudadanointeligente/jdgarrido

possible fix of tinymce
other test :grimancing:
Merge pull request #51 from ciudadanointeligente/jdgarrido

other test :grimancing:
Merge branch 'master' into vi-ar