Merge branch 'release-2.8.4' into develop
Hide venue/category filter when there are no events/categories
Fix bug where the last date of long, non-all-day events do not appear on the widget calendar when the start time is after the end time. See http://wordpress.org/support/topic/calendar-widget-not-showing-last-day-of-event.
Add eo-ui-button class to admin calendar venue "combox" button. Fixes button 'arrow' non-centrally placed.
Update Russian .po file (comments)
Add Latvian translation (largely incomplete ~ 15%)
Update Arabic. Thanks to Mohamed Nazir.
Update Czech translation
Update Danish translation
Update Spanish translation. Thanks to  jelena kovacevic
Update Finnish translation
Update comments in Norwegian po file
Update comments in Norwegian (Nynorsk) translation.
Update French translation - thanks to Arnaud.
Update Thai translation (comments)
Bump versions
Updated changelog
Updated translation list
Update stable tag
Merge branch 'release-2.8.5'