prevent excessive data transmissions on large forms
Merge pull request #197 from kobotoolbox/removing-pyxform-summary-from-model

prevent excessive data transmissions on large forms
#721 - allow multiple options with the same name
#750 and #754 - issues with skip logic entries for deleted target questions
Merge pull request #198 from kobotoolbox/bugfixes

Bugfixes
Merge branch 'master' of github.com:kobotoolbox/dkobo