create a parallel implementation of debug/trace/etc., using new instrumentation framework

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

...ine/src/com/oracle/truffle/r/engine/TruffleRLanguage.java

...com/oracle/truffle/r/library/fastr/FastRCallCounting.java

...om/oracle/truffle/r/library/fastr/FastRFunctionTimer.java

...c/com/oracle/truffle/r/library/fastr/FastRSyntaxTree.java

com.oracle.truffle.r.native/library/fastr/src/NAMESPACE

com.oracle.truffle.r.native/library/fastr/src/R/fastr.R

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

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

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

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

...om/oracle/truffle/r/nodes/builtin/base/foreign/FastR.java

...fle.r.nodes/src/com/oracle/truffle/r/nodes/RASTUtils.java

...c/com/oracle/truffle/r/nodes/access/ReadArgumentNode.java

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

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

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

.../com/oracle/truffle/r/nodes/control/AbstractLoopNode.java

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

...rc/com/oracle/truffle/r/nodes/function/ArgumentsNode.java