some refactoring in case of side effects with imports/includes in using
ajax method. Was discussed with Timo. Includes must be checked overall!!
There is new a config.php in src folder to define ROOT-path. Includes an
d requires paths can be built with this to get a absolute path.
check also
http://stackoverflow.com/questions/11882915/how-to-set-root-folder-for-php-include-files#answers