fix bug 919065 - Allow attribute for auto-opening a quicklink menu
Vertically center subnav icon
Refactored search view to be API based and implemented complex filters.

This also includes other fixes:

- added django-dbgettext as a simple way to handle dynamic translations
  via the standard gettext API

- a fix for calculate_related_documents the cronjob function to
  actually use the correct table for document tags
Fix bug 937065 - Update link display type
Merge pull request #1583 from jezdez/extend-topic-filter-915760

Search refactor with translatable, admin configurable, complex search filters.
Merge pull request #1634 from darkwing/default-open-919065

fix bug 919065 - Allow attribute for auto-opening a quicklink menu
Merge pull request #1635 from darkwing/icon-position

Vertically center subnav icon
Merge pull request #1636 from darkwing/ql-display-937065

Fix bug 937065 - Update link display type
fix bug 920777 - Fix main nav link
Merge pull request #1639 from darkwing/apps-link-920777

fix bug 920777 - Fix main nav link
bug 773522: Fix djcelery tables with a local migration