ansible 1.8

Update to Ansible 1.8.0

Closes #34469.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ansible: update 1.8 bottle.
jenkins 1.591

Closes #34471.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Upgrade Uru to version 0.7.6
uru: add 0.7.6 bottle.