Increased latest version to 2.2.1b0 [skip ci]

5 jobs for master in 21 minutes and 18 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_36 #177914
docker

00:11:39

59.0%
passed build_linux_37 #177915
docker

00:13:54

59.0%
passed build_macosx_36 #177912
macosx

00:19:10

60.0%
passed build_macosx_37 #177913
macosx

00:19:21

60.0%
 
  Deploy
passed deploy_beta #177916
docker

00:01:57