show build date in version number

config.js

@@ -28,7 +28,7 @@ var config = {
   community_prefix: 'gluon-ffs-',
   // firmware version regex
   version_regex: "-([0-9]+\.[0-9]+[+][0-9]{4}-[0-9]{2}-[0-9]{2}-g\.[a-f0-9]+-s\.[a-f0-9]+-)",
-  prettyPrintVersionRegex: "([0-9]+\.[0-9]+)", // removes +2017-09-13-g.d722c26-s.b0e5e48
+  prettyPrintVersionRegex: "([0-9]+\.[0-9]+[+][0-9]{4}-[0-9]{2}-[0-9]{2})", // removes +2017-09-13-g.d722c26-s.b0e5e48
   // relative image paths and branch
   directories: {
     //'../gluon/stable/factory/': 'stable',