* [WIP] add date/time question type
* Date/time questions python classes, types and form handling
* use own timepicker
* Fix argument naming
* Add css and js for datetimepickers
* remove not needed str call
* seperate splitdatetime widget template and fix date/time questions
* change date placeholder to dec 31
* do not show seconds in presale time pickers
* improve codestyle
* add new question types to api doc
* add test
* expand test to datetime question
* add new questiontypes to changelog
remove duplicate parens
* remove timezone from time only question answers
* improve codestyle
* Fix date and time formatting in control question overview
* Addition of all basics required for microdata
Microdata for event added to the head of the base event html template.
* Fixed flake8 errors & included settings checks
Fixed the flake8 too many blank line errors and changed the date and time section to refer to settings before including the time and/or the date_to.
* Typo in last commit
Fixed typo in last commit
* Fixed bracket mistake and flake8 error
Fixed tab between { and % in template tag. Removed extra lines. Removed unnecessary str() call.
Corrected binary & to [and] operator.
* Added testing for microdata
Testing added to the presale.test_event tests to cover the 4 branches and basic microdata functionality.