* correcting the return type of one of the newGraph methods
adding test/lib, moving junit to that, adding test target to ant file.  adding an equals method to SetGraph, two small utils tweaks
couple new tests
correcting build path in jar task
Merge branch 'master' of github.com:mhgrove/cp-openrdf-utils
* upgrade to sesame 2.7.0 (beta2)
* include an ivy file & an ivy generated pom file for reference
removing all the code contributed to sesame as of 2.7.0
* upgrading to sesame 2.7.0 final
* adding a couple query result writer utilities to make migration from 2.6.x or 2.7 betas easier
updating to newer jsonld library, which includes RIO support for JSON-LD, so we'll use that, dropping the existing code.  updating deps
updating external javadoc refs
* fixing warning messages
* moving sesame jar to correct location
* updating guava
* repackaging
* bumping rev
* some license corrections
adding a contains method to Graphs
* vocab files for VoiD & SSD
* couple utility classes for BindingSet
removing explicit jars
moving src around
ivy build infrastructure
* adding immutable dataset
adding missing builder methods
* bumping version number to latest
* some small build process tweaks