Removed example runner.  Java examples will be run from Gradle.  Or directly through an IDE.
Added R examples for Chapters 1-3
Added examples for R chapters 4-6
Added R examples for Ch 9
Added remaining R examples
#4 Fixed display issue where AbstractRBF toString would skip the first center dimension.  Fixed unit tests too.
#5 Use "int" in testIntRange, not "double".
Added reference
Initial version of scala port