Replace usages of getDataWithoutCopy and similar with nodes

...oracle/truffle/r/ffi/impl/common/JavaUpCallsRFFIImpl.java

.../src/com/oracle/truffle/r/ffi/processor/FFIProcessor.java

...library/src/com/oracle/truffle/r/library/stats/Cdist.java

...ibrary/src/com/oracle/truffle/r/library/stats/Cutree.java

.../src/com/oracle/truffle/r/library/stats/DoubleCentre.java

...src/com/oracle/truffle/r/library/stats/RMultinomNode.java

...c/com/oracle/truffle/r/library/stats/SplineFunctions.java

...m/oracle/truffle/r/library/stats/StatsFunctionsNodes.java

.../oracle/truffle/r/nodes/builtin/base/CrossprodCommon.java

...n/src/com/oracle/truffle/r/nodes/builtin/base/DoCall.java

...om/oracle/truffle/r/nodes/builtin/base/FileFunctions.java

.../com/oracle/truffle/r/nodes/builtin/base/LaFunctions.java

.../src/com/oracle/truffle/r/nodes/builtin/base/MatMult.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/Merge.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/Paste.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/Split.java

...ltin/src/com/oracle/truffle/r/nodes/builtin/base/Sum.java

...e/truffle/r/nodes/builtin/base/infix/UpdateSubscript.java

...oracle/truffle/r/nodes/function/S3FunctionLookupNode.java

.../src/com/oracle/truffle/r/nodes/helpers/RFactorNodes.java