further cleanups in replacement and write variable nodes

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

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

...e.r.nodes/src/com/oracle/truffle/r/nodes/RASTBuilder.java

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

...e/truffle/r/nodes/access/WriteSuperFrameVariableNode.java

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

.../com/oracle/truffle/r/nodes/access/WriteVariableNode.java

...truffle/r/nodes/access/WriteVariableNodeSyntaxHelper.java

...racle/truffle/r/nodes/access/WriteVariableSyntaxNode.java

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

...acle/truffle/r/nodes/control/ReplacementDispatchNode.java

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