began adding qrcode to link page
added info to readme
Merged conflicts
Removed dead code.
Installed the qrcode app
Added qr code placeholder
Generate correct absolute url for urls models
added server url config
added server url config to settings file, from secret
Needs to be right aligned and all sexy-like
Added qrcode -- needs bootstrapping or styling
Merge branch 'qrcode' into dev

Merged qrcode branch into main dev branch.
Made more explicit url model unicode representations
Temporary fix is best fix
qr code dependency
Removed debug flag.
Updated mysql req
Merge branch 'dev'