Merge branch 'master' into feature/svm

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

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

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

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

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

.../truffle/r/nodes/builtin/helpers/BrowserInteractNode.java

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

.../oracle/truffle/r/nodes/access/BaseWriteVariableNode.java

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

...cle/truffle/r/nodes/access/vector/ExtractListElement.java

...cle/truffle/r/nodes/access/vector/PositionsCheckNode.java

...oracle/truffle/r/nodes/attributes/CopyAttributesNode.java

...e/truffle/r/nodes/attributes/CopyOfRegAttributesNode.java

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

...c/com/oracle/truffle/r/nodes/primitive/BinaryMapNode.java

...rc/com/oracle/truffle/r/nodes/primitive/UnaryMapNode.java

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

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

...e/src/com/oracle/truffle/r/runtime/RRuntimeASTAccess.java

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