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

Bump WP compatibility

See merge request !5
8 jobs for master in 2 minutes and 10 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #5956
PHPCS

00:00:40

passed #5950
PHPunit:PHP5.3:MySQL

00:01:51

passed #5951
PHPunit:PHP5.6:MySQL

00:01:24

passed #5952
PHPunit:PHP7.0:MySQL

00:01:21

passed #5953
PHPunit:PHP7.1:MySQL

00:01:11

passed #5954
PHPunit:PHP7.2:MySQL

00:01:15

passed #5955
PHPunit:PHP7.3:MySQL

00:01:10

 
  Deploy
passed #5957
PluginSVN

00:00:19