Merge branch 'master' into feature/pkgtest

ci.hocon

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

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

...ry/src/com/oracle/truffle/r/library/fastr/FastRTrace.java

...src/com/oracle/truffle/r/library/fastr/InteropImport.java

com.oracle.truffle.r.native/fficall/src/jni/Rinternals.c

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

com.oracle.truffle.r.native/library/base/Makefile

com.oracle.truffle.r.native/library/base/sed_profile

com.oracle.truffle.r.native/library/fastr/src/DESCRIPTION

com.oracle.truffle.r.native/library/fastr/src/NAMESPACE

com.oracle.truffle.r.native/library/fastr/src/R/fastr.R

...e.truffle.r.native/library/fastr/src/man/fastr-package.Rd

com.oracle.truffle.r.native/library/fastr/src/man/fastr.Rd

com.oracle.truffle.r.native/library/stats4/Makefile

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

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

...om/oracle/truffle/r/nodes/builtin/base/EvalFunctions.java

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

...acle/truffle/r/nodes/builtin/base/SerializeFunctions.java