Merge pull request #114 from w3c/topic/rdfstore-typeclass-cleaning

Some improvements to come in the next mergers
Merge pull request #115 from w3c/topic/more-consistency

much better consistency all round ;-)
[ldpatch] Fix missing dependency for ldpatch for Scala 2.11.2.
Merge pull request #117 from w3c/fix/ldpatch-dependency

[ldpatch] Fix missing dependency for ldpatch for Scala 2.11.2.