Wrap events in a .events div

The previous code was placing an empty .events div before the first listed event.
Merge remote-tracking branch 'upstream/develop' into 4.0-events
Remove unneeded example code.

The first set of `WDN.setPluginParam()` calls set this information for the entire page.  The specified 'upcoming' view for the events bad is now the default.
Merge pull request #784 from mfairchild365/4.0-events

tweaks to the 4.0 events widget/example