Targetting processing-3.1.1 and JRubyArt-9.1.1.0

The version has been bumped because data_path is now implemented from the ruby side (dataPath in java was expeced to be flakey and probably cause security issues). It is recommended to use the new data_path wrapper rather than rely on java to do the right thing (reported as failing on macosx). Further this change may well solve the long standing issue requiring use of jruby-complete to run load_shader / load_image sketches. Please unpack the latest samples to use with this version (new repo).