gamja: add branding patch

gamja: upgrade to 1.0.0_beta1-r13

This adds a post-connection SASL auth dialog, linkifies error
messages, and other improvements.

gamja: upgrade and use new build system

gamja now supports bundling the webapp with a build system.

soju, gamja: upgrade

gamja: upgrade to 1.0.0_beta1-r10

gamja: set arch=all

Work around for issues with our build scripts

gamja: new package