Added an update() method to display element, as folk seem to use display
elements as somewhere to show results from custom JS.
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Couple of fixes to description option on join element, now allow
CONCAT() for it, also added FabrikString::isConcat() helper.
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
A few little fixes to radius list filter.
Smal change the calender viz JS to use set('html', label) instead of
appendText(label) when building the event tags, so it'll render markup,
allowing things like line breaks in labels.
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3

Conflicts:
	plugins/fabrik_visualization/calendar/calendar-min.js