Merge

com.oracle.truffle.r.native/library/lib.mk

...rc/com/oracle/truffle/r/nodes/builtin/base/Identical.java

...m/oracle/truffle/r/nodes/builtin/base/PrintFunctions.java

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

...c/com/oracle/truffle/r/nodes/builtin/base/UpdateAttr.java

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

...src/com/oracle/truffle/r/nodes/access/UpdateSlotNode.java

...acle/truffle/r/nodes/function/FunctionDefinitionNode.java

...s/src/com/oracle/truffle/r/nodes/unary/DuplicateNode.java

....runtime/src/com/oracle/truffle/r/runtime/RSerialize.java

.../src/com/oracle/truffle/r/runtime/data/RAttributable.java

...ime/src/com/oracle/truffle/r/runtime/data/RDataFrame.java

...me/src/com/oracle/truffle/r/runtime/data/RExpression.java

...untime/src/com/oracle/truffle/r/runtime/data/RFactor.java

...time/src/com/oracle/truffle/r/runtime/data/RFunction.java

...time/src/com/oracle/truffle/r/runtime/data/RLanguage.java

...e/src/com/oracle/truffle/r/runtime/data/RLanguageRep.java

...ntime/src/com/oracle/truffle/r/runtime/data/RPromise.java

...untime/src/com/oracle/truffle/r/runtime/data/RScalar.java

...time/src/com/oracle/truffle/r/runtime/data/RSequence.java