Avoid reading char by char by using a 4k buffer

This also removes the need for BufferedReader.
Use StringBuilder instead of StringBuffer
complete implementation of the JSON-LD integration module for RDF2Go
Update pom.xml

minor formatting change
Automated code cleanup using Eclipse Cleanup Style and Formatter defs
change sesame-23 rdf2go dependency to runtime as it is not directly
referenced by the code
move rdf2go version property to parent pom
bump dependency and plugin versions
update changelog
bump sesame to 2.7.6
Merge remote-tracking branch 'upstream/master' into jena-bnodes

Conflicts:
	README.md
Avoid testing anonymous bnodes literally - check using Jena model