Revert "Merge branch 'add/lint' into 'master'"

This reverts merge request !6
10 jobs for revert-ecc43310 in 30 minutes and 55 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #675
PHPunit:PHP5.3:MySQL

00:21:20

passed #676
PHPunit:PHP5.6:MySQL

00:21:24

passed #677
PHPunit:PHP7.0:MySQL

00:21:05

passed #678
PHPunit:PHP7.1:MySQL

00:21:12

passed #679
PHPunit:PHP7.2:MySQL

00:30:54

canceled #665
PHPunit:PHP5.3:MySQL

00:28:02

canceled #666
PHPunit:PHP5.6:MySQL

00:28:03

canceled #667
PHPunit:PHP7.0:MySQL

00:28:01

canceled #668
PHPunit:PHP7.1:MySQL

00:28:00

canceled #669
PHPunit:PHP7.2:MySQL

00:28:00