Refs #17131 Naaya; improve site logging by using a monthly based file logger

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20698 a0171fae-0946-0410-966d-b1775066cd26
Refs #17131 Naaya; added a utility script to split files

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20699 a0171fae-0946-0410-966d-b1775066cd26