Bump version to 1.7.0

2 jobs for 1.7.0 in 5 minutes and 50 seconds (queued for 2 minutes and 28 seconds)
latest
Status Job ID Name Coverage
  Build
passed #5719
autoscale-linux
linux

00:02:27

passed #5720
openswift xcodeselect8
osx

00:02:17