Various CI tweaks
Generally make pipelines a little faster and more reliable, switch default image location to a more permanent home, and pin ABCL version to 1.7.1 due to some issues in 1.8.0.
Generally make pipelines a little faster and more reliable, switch default image location to a more permanent home, and pin ABCL version to 1.7.1 due to some issues in 1.8.0.