Change to raptor2 lib
Experimental v2 code
More raptor2 updates
More Raptor v2 madness
Most of the API changes should be caught by now
Surprisingly, most of the specs are passing now except for RDFXML
Got more specs passing
Updated Travis CI config to install Raptor2 lib
Merge branch 'master' of github.com:ruby-rdf/rdf-raptor into raptor2
Raptor2 support for Format#detect (still not fully supported?)
Raptor term API changes
Merge branch 'master' of github.com:ruby-rdf/rdf-raptor into raptor2

Conflicts:
	lib/rdf/raptor/format.rb
Implemented changes to Raptor statements and terms
Term fixes
Fixed URI deallocation errors
Fixed wrong method signature
Fixed bug with literal datatype
Fixed iostream deallocation issue
V2: JRuby FFI compatibility (NilClass is not compatible with Java null)
V2: Removed Rubinious from Travis (it doesn't support FFI::ManagedStruct)