www: Skip empty AVPs
www: Skip empty AVPs

Remove empty AVPs when sending data to web server.

fredsod/NIPAP,bbaja42/NIPAP,garberg/NIPAP,fredsod/NIPAP,fredsod/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,fredsod/NIPAP,bbaja42/NIPAP