Merge branch 'master' into feature/ffi

...library/src/com/oracle/truffle/r/library/stats/Rnorm.java

...library/src/com/oracle/truffle/r/library/stats/Runif.java

.../com/oracle/truffle/r/runtime/ffi/jni/CallRFFIHelper.java

...le.r.runtime/src/com/oracle/truffle/r/runtime/RError.java

.../src/com/oracle/truffle/r/runtime/rng/RNGInitAdapter.java

....r.runtime/src/com/oracle/truffle/r/runtime/rng/RRNG.java

...m/oracle/truffle/r/runtime/rng/RandomNumberGenerator.java

...rc/com/oracle/truffle/r/runtime/rng/RandomNumberNode.java

.../oracle/truffle/r/runtime/rng/mm/MarsagliaMulticarry.java

.../com/oracle/truffle/r/runtime/rng/mt/MersenneTwister.java

...me/src/com/oracle/truffle/r/runtime/rng/user/UserRNG.java

com.oracle.truffle.r.test.cran/r/install.cran.packages.R

...est/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

...le.r.test/src/com/oracle/truffle/r/test/rng/TestRRNG.java

mx.fastr/copyrights/overrides

mx.fastr/mx_fastr.py

mx.fastr/mx_fastr_pkgs.py