create core module, and modify rdf2jsonld script to match
add slf4j-api to core compile scope
fail test early if expected object comes out null
add integration modules for clerezza, jena, and sesame and a tools
module for RDF2JSONLD
move sesame module to integration/sesame
move clerezza module to integration/clerezza
move jena code to integration/jena
move RDF2JSONLD to tools module
move Playground to tools module
move appassembler definition to tools/pom.xml
modify path in rdf2jsonld script
add test-jar to test scope to get access to the resources from the core
module
export the tests, test-sources and sources artifacts from jsonld-java
jar modules
clean up rdf2jsonld script

now it relies directly on the appassembler derived script, which works
natively as long as you run mvn clean install first

also add instruction to add execute permissions to all of the
appassembler scripts, per the stubbornness of the appassembler team
about implementing that feature themselves: 
http://jira.codehaus.org/browse/MAPPASM-54
switch out deprecated GraphImpl for LinkedHashModel
Import sesame-rio-api module to enable integration with Sesame Rio
Convert to RDFHandler as basis for SesameTripleCallback instead of Graph
Add SesameJSONLDParserFactory
Add ability to parse from a Sesame Graph
Add initial SesameJSONLDWriter