While I'm here, let's update what we build against on CI.

abayer · abayer · commit 56a032650a34 · 2018-02-26T11:06:04.000-05:00
Note: Need to add 2.89.3 at some point but that means some test refactoring.
diff --git a/Jenkinsfile b/Jenkinsfile
@@ -1 +1 @@
-buildPlugin(jenkinsVersions: [null, '2.60.3', '2.73.1'])
+buildPlugin(jenkinsVersions: [null, '2.73.3'])

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-buildPlugin(jenkinsVersions: [null, '2.60.3', '2.73.1'])`
	`1`	`+buildPlugin(jenkinsVersions: [null, '2.73.3'])`