Poprawki
Merged in jbzdak/drigan/hotfix/setup-stuff (pull request #24)

Zmiany przydatne dla nowych developerów
ChoiceField added
Merge branch 'master' of bitbucket.org:zeroos/drigan into registration
update() bug - links to issue
additional_data instead of choices in DynamicFormField
bugfix: changing attraction logo was not possible when it was not set
Merged in bugfix-changing_logo (pull request #27)

bugfix: changing attraction logo was not possible when it was not set
changed additional_data field structure
Merged in registration (pull request #25)

ChoiceField
can't add field with name that already exists
can't add choice that already exists
Merged in registration (pull request #28)

Can't add fields/choices with names that already exists
Documentation base
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Merge remote-tracking branch 'origin/master' into feature/documentation
ordering dynamic_forms fields
Merge branch 'master' of bitbucket.org:zeroos/drigan into registration
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bug fixed - instances are ordered independently