Displayed username along with nickname (when they are not identical); Requested and displayed user's avatar; Made the dialog bigger for extended names.
Added a few functions to web_backend (GetImage, GetPlain) to support getting data in multiple content-types.
Added a no_avatar icon for users without avatars.
* qt_themes: add two colorful themes
These two colorful themes are based on the Default and Dark themes, and contain icons that are colored rather than black and white. These icons come from https://icons8.com and they have been slightly revised by me. I'm pretty sure I was licensed to use them for Citra.
* Add license for icons