Update messages.pot

update word to translation
Update types.php

update word to translation
Update list_event.php

This sloves the problem with the delete button that does nothing.
Merge branch 'tigerxy-patch-1' into release/2.1.5
fix some bugs
Merge branch 'release/2.1.5'
Merge tag '2.1.5' into dev

2.1.5