Support static IPs for GCE

Changelog for 0.17.2:

Commits
c455fd1 Pass Region and Zone to the delete requests by @alexellis
1062f18 Use region with GCE to enable reserved IPs by @alexellis
b061d19 Bump operator version for EC2 fix by @alexellis

Changes: 0.17.1...0.17.2

Generated by Derek