Stat externals: qt, pt, punif, dunif, qunif, pgeom

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

...rc/com/oracle/truffle/r/library/stats/GammaFunctions.java

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

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

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

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

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

.../nodes/builtin/base/foreign/CallAndExternalFunctions.java

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

...racle/truffle/r/test/library/stats/TestStatFunctions.java

mx.fastr/copyrights/gnu_r_ihaka.copyright.star.regex

mx.fastr/copyrights/gnu_r_ihaka_core.copyright.star.regex

mx.fastr/copyrights/gnu_r_scan.copyright.star.regex

mx.fastr/copyrights/overrides