avoid circular module dependencies using ${project.version}
add .gitignore file to ignore maven and eclipse temporary files
add Sesame module
Merge pull request #2 from ansell/sesame

Sesame module
Update .gitignore
repair sesame tests
NTriplesParser fixed processing of escaped URIs
changed VocabManager of RdfaParser to be ThreadLocal
simplified SesameRDFaParser
added options to SesameRDFaParser
fixed: forgot to uncomment sesame tests
renamed config params
added error handling to RdfaParser (and it's Sesame bridge)
fixed RDFA format definition
added missing params to RdfaParserConfig constructor, added simplified version of constructor
improved IRI handling routines
added checking for rdf:ID repetitions to RDF/XML parser
Core rdf.ri package refactoring
changed RDFa benchmark
added indentation to TurtleSerializer output
changed pipelining API
simplified setting change routines with properties
README.md update
code cleanup