Merge branch 'bump-wp-compat' into 'master'

Bump WP compatibility

See merge request !7
8 jobs for v2.3.1 in 2 minutes and 47 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed PHPCS #9554

00:01:27

passed PHPunit:PHP5.3:MySQL #9548

00:01:34

passed PHPunit:PHP5.6:MySQL #9549

00:02:07

passed PHPunit:PHP7.0:MySQL #9550

00:02:13

passed PHPunit:PHP7.1:MySQL #9551

00:02:05

passed PHPunit:PHP7.2:MySQL #9552

00:02:20

passed PHPunit:PHP7.3:MySQL #9553

00:02:16

 
  Deploy
passed PluginSVN #9555

00:00:24