add AGPLv3+ license information and copyright to all Python code and mako templates
- add model/keyringanalyzer.py inspired by Debian qa's carnivore's extract_data - add model/keyfinder.py using the database built by model/keyringanalyzer.py - store the keyring search directory in model/ddportfolio.ini
move code for URL generation to model/urlbuilder.py add format selection to input form create output template