Bump version to 1.4.0

3 jobs for 1.4.0 in 7 minutes and 11 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #4259
autoscale-linux
linux

00:04:34

passed #4209
openswift
osx

00:02:36

failed #4208
autoscale-linux
linux

00:11:05