replace row_tablehead with caption
templates: removed row_odd, row_even, row_hover classes and hover.js
use for ... empty in templates
missed for ... empty opportunity
Merge branch 'master' into template-cleanup
Merge commit 'fd0ab29dfcfc263be686c8351f4dc5880e3e1b9b' into template-cleanup

Conflicts:
	helpdesk/templates/helpdesk/dashboard.html
	helpdesk/templates/helpdesk/kb_category.html
	helpdesk/templates/helpdesk/ticket_desc_table.html
Merge branch 'master' into template-cleanup
remove row_columnheads class from table headers
separate dashboard elements for easier customisation
missing template lib references
missing spaces in navigation menu
Merge branch 'master' into template-cleanup

Conflicts:
	helpdesk/templates/helpdesk/navigation.html
missing load url in template
Merge pull request #238 from brente/template-cleanup

Template cleanup
Merge branch 'master' of https://github.com/rossp/django-helpdesk into custom-staff-filter
add tests, example