Merge branch '2.2.1' into 'master'

2.2.1 Release

See merge request !101
5 jobs for 2.2.1 in 2 minutes and 57 seconds
latest
Status Job ID Name Coverage
  Test
passed #2870
Go-py2.7

00:01:42

passed #2871
Go-py3.4

00:01:43

passed #2872
Go-py3.5

00:01:40

passed #2873
Go-py3.6

00:01:41

 
  Lint
passed #2874
Go-flake8

00:01:14