Optimize Asset Files
- remove unwanted files
- auto-combine asset files after composer install
- move index.html and it's assets to directory "demo"
Fix: unresolved logo.png on login
Fix: undefined O in demo/index.html
Combine _flash.php to main.php
Convert javascript layout to use with require.js
set language based on User-Agent
add user module to javascript asset
remove background-image properties from #loader
disable cookie validation
handle login & logout via javascript
new client support
Change format of json returned by activity/get action
Merge remote-tracking branch 'main/master'