[pyramid] add routes /{eid} and /{etype}/{eid} to return RDF when rdf mimetype in Accept HTTP headers * simplify pyramid/resources.py by making the classmethod that returns a closure a simple function and removing the EntityResource and ETYpeResource classes that are barely used * replace predicate MatchIsETypePredicate with MatchIsETypeAndEIDPredicate Team: famarger, schabot, nchauvat, fferry, ethieblin

option_group_changed('port', 'main', 'web')
option_group_changed('query-log-file', 'main', 'web')
option_group_changed('profile', 'main', 'web')
option_group_changed('max-post-length', 'main', 'web')