(raptor_uri_normalize_path): end when string does
(raptor_parse_turtle_term_internal): Allow 2.0E-1
(raptor_ntriples_parse_line): No triple if one term failed
(raptor_ntriples_generate_statement): Discard and cleanup partial triples.
Merge remote-tracking branch 'origin/master' into nquads-2013-tests
Improve debug messages
Fix code in #ifdef RASQAL_DEBUG
Make N-Triples / N-Quads parser more carefully handle NUL

(raptor_ntriples_parse_chunk): Looks for end_ptr rather than NUL when
searching for \n or \r.  It also checks for \\ and " 's