Merge branch 'master' into feature/rprof

...ngine/src/com/oracle/truffle/r/engine/shell/RCommand.java

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

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

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

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

...cle/truffle/r/nodes/builtin/base/S3DispatchFunctions.java

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

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

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

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

...om/oracle/truffle/r/nodes/builtin/fastr/FastRInterop.java

...fle.r.nodes/src/com/oracle/truffle/r/nodes/RASTUtils.java

...ruffle/r/nodes/access/vector/CachedReplaceVectorNode.java

.../com/oracle/truffle/r/nodes/function/ArgumentMatcher.java

.../com/oracle/truffle/r/nodes/function/CallMatcherNode.java

...es/src/com/oracle/truffle/r/nodes/function/RCallNode.java

...rc/com/oracle/truffle/r/nodes/function/RCallerHelper.java

...racle/truffle/r/nodes/function/call/PrepareArguments.java

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

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