Allow compute engine instances to be launched with Secure Boot enabled.#356

CWJoseph wants to merge 4 commits intojenkinsci:developjenkinsci/google-compute-engine-plugin:developfrom

Cloudbees-Workshop-Organization:Branch_google-compute-engine-4.3.8Cloudbees-Workshop-Organization/google-compute-engine-plugin:Branch_google-compute-engine-4.3.8Copy head branch name to clipboard