Django-helpdesk

Small release update to add missing Polish email templates.

Re-release of 0.2.11 to address 688 in which a broken migration was accidentally included in the source dist.

Update Polish translation, no other changes.

NOTE: this release had a broken migration included; please use 0.2.12 instead.

Bugfix release to let run on Django 2.1.

Fixes a javascript bug where the date formatting was incorrect.

New bugfix release. This is anticipated to be the last release of the 0.2.x series, with development going toward the 0.3 release on the `develop` branch. Note that 0.2.x is the last version to support Python 2 / Django 1.x, the next 0.3 release will target Python 3 and Django 2.x.

Notable bugfixes:
- jQuery datepicker works on ticket editing form, and comments can successfully update date
- Saved queries work again under Python 3
- Better `get_email` processing and error-handling, especially under Python 3
- Better support for Django 2.x and Python 3.6+
- Documentation typos fixed