Fix copyright errors.

...src/com/oracle/truffle/r/nodes/builtin/base/ColMeans.java

.../src/com/oracle/truffle/r/nodes/builtin/base/Complex.java

...tin/src/com/oracle/truffle/r/nodes/builtin/base/Diag.java

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

...racle/truffle/r/nodes/builtin/base/IsFiniteFunctions.java

...c/com/oracle/truffle/r/nodes/builtin/base/MakeUnique.java

...src/com/oracle/truffle/r/nodes/builtin/base/NGetText.java

...src/com/oracle/truffle/r/nodes/builtin/base/RowMeans.java

...src/com/oracle/truffle/r/nodes/builtin/base/Tabulate.java

...n/src/com/oracle/truffle/r/nodes/builtin/base/Typeof.java

...m/oracle/truffle/r/nodes/builtin/base/UpdateOldClass.java

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

...e/r/nodes/access/array/read/MultiDimPosConverterNode.java

...ruffle/r/nodes/binary/BinaryBooleanNonVectorizedNode.java

...s/src/com/oracle/truffle/r/nodes/binary/CastTypeNode.java

...odes/src/com/oracle/truffle/r/nodes/binary/ColonNode.java

...racle/truffle/r/nodes/instrument/debug/DebugHandling.java

...racle/truffle/r/nodes/instrument/trace/TraceHandling.java

...es/src/com/oracle/truffle/r/nodes/unary/IsFactorNode.java

.../truffle/r/parser/processor/GenerateRParserProcessor.java