added footer, and css
added BuildHandler class to handle page building
changed css a bit
modified footer.html to support custom code
changed sideboard html template
moved building code parts from index.php to BuildHandler
Added support for config files
Modified buildHandler to have default config file and file to render. Those can be set prior to loading config or rendering
added ConfigHandler to handle config file the way it can't be handled by default function. Loads custom template files, and adds scripts
__BASE__ definition links to base directory