Bugfix/annotations extra message (#2332)
Bugfix/annotations extra message (#2332)

* Added a space between the annotation message and the extra message
added with the `--graphite.annotationMessage` flag.

* Follow the same pattern as when having Result and HAR

sitespeedio/sitespeed.io,sitespeedio/sitespeed.io,sitespeedio/sitespeed.io,sitespeedio/sitespeed.io