Bump release version to 1.8.0
Merge branch 'releases/1.8.0' into develop
Bump next developer version
Get the latest from origin before merging.

Signed-off-by: Rob Gallagher <rgallagher@pivotallabs.com>
Use git ci for duet commits

Signed-off-by: Rob Gallagher <rgallagher@pivotallabs.com>