Launchpad profile should resize mugshot images

[Damian Yerrick]

In https://help.ubuntu.com/community/ReportingBugs

> You should not file a bug if you are:
> 4. Proposing features and ideas: you should submit your idea
> to the ubuntu-devel-discuss mailing list."

So instead of inappropriately submitting a feature request through
Launchpad, I have instead chosen to submit it to this list.  This
feature request follows:

Why does Launchpad require the user to resize an uploaded mugshot
image instead of Launchpad resizing the image itself?

Steps to reproduce:
Visit your profile, follow the link Change your personal details, and
under Mugshot, upload an image of size 384x384 pixels in size.

Expected result:
The image is scaled by Launchpad to exactly 192x192 pixels in size.

Actual result:
The image is rejected outright with the following error message:
[Do Not Enter icon] There is 1 error.
Lower on the page:
[Do Not Enter icon] This image is not exactly 192x192 pixels in size.