Added a Foreign Array to Vector/List cast as an implicit preinitial step to CP.

...om/oracle/truffle/r/nodes/builtin/fastr/FastRInterop.java

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

.../oracle/truffle/r/nodes/test/PipelineToCastNodeTests.java

...m/oracle/truffle/r/nodes/binary/BinaryArithmeticNode.java

.../com/oracle/truffle/r/nodes/binary/BinaryBooleanNode.java

...oracle/truffle/r/nodes/builtin/casts/CastForeignNode.java

.../oracle/truffle/r/nodes/builtin/casts/PipelineConfig.java

...cle/truffle/r/nodes/builtin/casts/PipelineToCastNode.java

...e/r/nodes/builtin/casts/fluent/PipelineConfigBuilder.java

.../r/nodes/builtin/casts/fluent/PreinitialPhaseBuilder.java

...src/com/oracle/truffle/r/nodes/unary/CastComplexNode.java

.../com/oracle/truffle/r/nodes/unary/CastExpressionNode.java

...des/src/com/oracle/truffle/r/nodes/unary/CastRawNode.java

.../src/com/oracle/truffle/r/nodes/unary/CastSymbolNode.java

...com/oracle/truffle/r/nodes/unary/UnaryArithmeticNode.java

.../com/oracle/truffle/r/runtime/interop/ForeignArray2R.java

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

.../oracle/truffle/r/test/library/fastr/TestJavaInterop.java