Merge

...truffle/r/nodes/builtin/base/InfixEmulationFunctions.java

...tin/src/com/oracle/truffle/r/nodes/builtin/base/Scan.java

...truffle.r.nodes/src/com/oracle/truffle/r/nodes/RNode.java

...c/com/oracle/truffle/r/nodes/access/ReadArgumentNode.java

.../com/oracle/truffle/r/nodes/access/WriteVariableNode.java

...des/access/array/PositionsArrayConversionNodeAdapter.java

...uffle/r/nodes/access/array/PositionsArrayNodeAdapter.java

...le/truffle/r/nodes/access/array/read/AccessArrayNode.java

...om/oracle/truffle/r/nodes/function/CallArgumentsNode.java

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

...c/com/oracle/truffle/r/nodes/function/S3DispatchNode.java

...src/com/oracle/truffle/r/nodes/instrument/RASTProber.java

...rc/com/oracle/truffle/r/nodes/instrument/RInstrument.java

...racle/truffle/r/nodes/instrument/RInstrumentableNode.java

.../com/oracle/truffle/r/nodes/unary/ConvertBooleanNode.java

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

...le.r.runtime/src/com/oracle/truffle/r/runtime/RError.java

...est/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

...le.r.test/src/com/oracle/truffle/r/test/all/AllTests.java

...com/oracle/truffle/r/test/simple/TestSimpleFunctions.java