Simplify; adapt to new Value.

core/meta/inc/TInterpreterValue.h

core/meta/src/TCling.cxx

core/meta/src/TCling.h

core/meta/src/TClingCallFunc.cxx

core/meta/src/TClingCallFunc.h

core/meta/src/TClingClassInfo.cxx

core/meta/src/TClingValue.cxx

core/meta/src/TClingValue.h

interpreter/cling/Module.mk

.../include/cling/Interpreter/DynamicLookupRuntimeUniverse.h

...rpreter/cling/include/cling/Interpreter/RuntimeUniverse.h

interpreter/cling/include/cling/Interpreter/Value.h

interpreter/cling/lib/Interpreter/CMakeLists.txt

interpreter/cling/lib/Interpreter/Interpreter.cpp

interpreter/cling/lib/Interpreter/Value.cpp

...preter/cling/lib/Interpreter/ValueExtractionSynthesizer.h

interpreter/cling/test/Interfaces/evaluate.C

interpreter/cling/test/Prompt/Regression.C