fix various formatting issues, tiny fix in D

.../src/com/oracle/truffle/r/library/grid/GridFunctions.java

...brary/src/com/oracle/truffle/r/library/stats/deriv/D.java

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

...om/oracle/truffle/r/nodes/castsTests/CastBuilderTest.java

...cle/truffle/r/nodes/test/ForwardedValuesAnalyserTest.java

.../src/com/oracle/truffle/r/runtime/ffi/StdUpCallsRFFI.java

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

...src/com/oracle/truffle/r/test/builtins/TestBuiltin_D.java

...oracle/truffle/r/test/builtins/TestBuiltin_asPOSIXlt.java

...le/truffle/r/test/builtins/TestBuiltin_bitwiseShiftR.java

...acle/truffle/r/test/builtins/TestBuiltin_classassign.java

...com/oracle/truffle/r/test/builtins/TestBuiltin_deriv.java

...m/oracle/truffle/r/test/library/base/TestConnections.java