Merge branch 'release-2.9.0' into develop
Don't abort update on cron jobs. (Fixes conflict with wp-cron-control https://wordpress.org/support/topic/clashes-with-events-plug-in)
Fixes bug with eo_date_interval() and month overflows. Adds unit test.
Add locale functions.
Don't use context for venue.
Fix conflict with themes where the .eo_widget_calendar class is not added to widget calendar widgets.
Add data attribute support for checkbox/textarea.
Update WordPress 'supports up to'
Handle duplicate UIDs arising from editing occurrences. TODO(?) fully support edited occurrences.
Updated references
Update French translation -  thanks to Egrefin
Update Hebrew translation -  thanks to Jacki
Update Portugese (Brazil) translation -  thanks to Rafael Wahasugui
Update translations.
-Bump versions
Update readme and stable tag
v2.9.1
Merge branch 'release-2.9.1' into develop
Set  for textarea utility function
Bump version to 2.9.2