Merge branch 'master' into feature/rprof

...rc/com/oracle/truffle/r/engine/RRuntimeASTAccessImpl.java

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

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

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

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

...m/oracle/truffle/r/nodes/access/variables/NamedRNode.java

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

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

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

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

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

...e/truffle/r/nodes/function/UnrolledVariadicArguments.java

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

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

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

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

.../src/com/oracle/truffle/r/test/generate/FastRSession.java