tiny download page tweaks

Author: SethTisue

download/index.md

@@ -5,10 +5,10 @@ release_version: 2.12.0
 release_date: "November 3, 2016"
 show_resources: "true"
 other_releases: [
-  ["development_version", "Current 2.12.x release", 2.12.0, "November 3, 2016"],
+  ["development_version", "Current 2.12.x release", 2.12.0, "November 3, 2016"]
   ["maintenance_version", "Latest 2.11.x maintenance release", 2.11.8, "March 8, 2016"],
   ["maintenance_version", "Last 2.10.x maintenance release", 2.10.6, "September 18, 2015"],
-  ["maintenance_version", "Last 2.9.x maintenance release", 2.9.3, "February 28, 2013"]
+  ["maintenance_version", "Last 2.9.x maintenance release", 2.9.3, "February 28, 2013"],
 ]
 requirements: "Scala 2.12 requires version 8 of the <a href='http://www.java.com/'>Java platform</a>. Older Scala versions are compatible with Java 6 and up. Java 9 is not yet supported."
 resources: [