It is fine when application is able to log request, however, normally it
produces a lot noise, which has been handled by adding special logger.
However, nowadays it requires a lot endpoints to be filtered and doesn't
provide any choice.
Instead of it lets disable access logger by default and let users decide
do they need or not to see access log messages
this also requires to move default configuration files to share/ahriman.
Thus the following features have been added
* default configuration is not stored in /usr/share/ahriman/settings
* package installed via PKGBUILD now copies files from /usr
* configuration class now fallbacks to default in /usr
