Code review comment for lp:~ltrager/maas-images/rename_squashfs

I've updated the branch as we discussed earlier today. I'm looking into removing release and what has to be done in MAAS for that.

Below is the output of com.ubuntu.maas:daily:1:bootloaders-bases-download.json containing two versions of each bootloader.
http://paste.ubuntu.com/23063089/