+ fix default event date to be set on construction so validation does not fail unless it's been explictly set to a bad date.
+ fix default event date to be set on construction so validation does not fail unless it's been explictly set to a bad date.

FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes