move setting and retrieving visibility into special nodes

...fle.r.engine/src/com/oracle/truffle/r/engine/REngine.java

...oracle/truffle/r/nodes/builtin/base/OptionsFunctions.java

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

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

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

.../com/oracle/truffle/r/nodes/builtin/fastr/FastRTrace.java

...src/com/oracle/truffle/r/nodes/access/AccessSlotNode.java

...s/src/com/oracle/truffle/r/nodes/access/ConstantNode.java

...cle/truffle/r/nodes/access/ReadVariadicComponentNode.java

...acle/truffle/r/nodes/access/WriteCurrentVariableNode.java

...oracle/truffle/r/nodes/access/WriteSuperVariableNode.java

...le/truffle/r/nodes/access/variables/ReadVariableNode.java

.../com/oracle/truffle/r/nodes/builtin/RBuiltinRootNode.java

...des/src/com/oracle/truffle/r/nodes/control/BlockNode.java

...des/src/com/oracle/truffle/r/nodes/control/BreakNode.java

...nodes/src/com/oracle/truffle/r/nodes/control/ForNode.java

....nodes/src/com/oracle/truffle/r/nodes/control/IfNode.java

...odes/src/com/oracle/truffle/r/nodes/control/NextNode.java

...c/com/oracle/truffle/r/nodes/control/ReplacementNode.java

...des/src/com/oracle/truffle/r/nodes/control/WhileNode.java