Merge branch 'master' into feature/r-3.3.1

.gitignore

...fle.r.engine/src/com/oracle/truffle/r/engine/REngine.java

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

...ibrary/src/com/oracle/truffle/r/library/stats/Covcor.java

com.oracle.truffle.r.native.recommended/Makefile

...c/com/oracle/truffle/r/nodes/builtin/RBuiltinPackage.java

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

...ruffle/r/nodes/builtin/base/foreign/ForeignFunctions.java

...racle/truffle/r/nodes/builtin/base/infix/AccessField.java

.../oracle/truffle/r/nodes/builtin/base/infix/Subscript.java

...com/oracle/truffle/r/nodes/builtin/base/infix/Subset.java

...racle/truffle/r/nodes/builtin/base/infix/UpdateField.java

...e/truffle/r/nodes/builtin/base/infix/UpdateSubscript.java

...acle/truffle/r/nodes/builtin/base/infix/UpdateSubset.java

...e.r.nodes/src/com/oracle/truffle/r/nodes/RASTBuilder.java

...racle/truffle/r/nodes/binary/BinaryArithmeticSpecial.java

...m/oracle/truffle/r/nodes/binary/BinaryBooleanSpecial.java

...cle/truffle/r/nodes/builtin/RInternalCodeBuiltinNode.java

...acle/truffle/r/nodes/control/ReplacementDispatchNode.java

...c/com/oracle/truffle/r/nodes/control/ReplacementNode.java