Show API Umbrella version on admin site

[brylie]

User story

As an administrator
I want to check the version(s) of API Umbrella and other related platform technologies
so that I can make sure our platform is up-to-date

Feature

Create a page, or page element, to show the version number(s) of API Umbrella and other stack technologies.

[cmc333333]

Excellent idea

[GUI]

Whoops, I forgot to add this to the milestone, but a footer in the admin has been added which notes the current version, and this is part of the v0.10 packages that came out today.