If an invalid date is passed, a post will not index. Let's suppress this unless filtered to do otherwise. Noticed this problem when trying to index bbPress posts that have invalid post_gmt fields
Merge branch 'develop' of github.com:10up/ElasticPress into bugfix/continue-with-invalid-dates
Merge pull request #160 from 10up/bugfix/continue-with-invalid-dates

Continue index with invalid dates