Rubber-stamped by Sam Weinig.
        
        Moved remaining heap implementation files to the heap folder.

        * Android.mk:
        * CMakeLists.txt:
        * GNUmakefile.list.am:
        * JavaScriptCore.gypi:
        * JavaScriptCore.pro:
        * JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
        * JavaScriptCore.xcodeproj/project.pbxproj:
        * heap/ConservativeRoots.cpp: Copied from runtime/ConservativeSet.cpp.
        * heap/ConservativeRoots.h: Copied from runtime/ConservativeSet.h.
        * heap/Handle.h:
        * heap/Heap.cpp:
        * heap/MachineStackMarker.cpp: Copied from runtime/MachineStackMarker.cpp.
        * heap/MachineStackMarker.h: Copied from runtime/MachineStackMarker.h.
        * heap/MarkStack.cpp: Copied from runtime/MarkStack.cpp.
        * heap/MarkStack.h: Copied from runtime/MarkStack.h.
        * heap/MarkStackPosix.cpp: Copied from runtime/MarkStackPosix.cpp.
        * heap/MarkStackSymbian.cpp: Copied from runtime/MarkStackSymbian.cpp.
        * heap/MarkStackWin.cpp: Copied from runtime/MarkStackWin.cpp.
        * heap/MarkedBlock.cpp: Copied from runtime/MarkedBlock.cpp.
        * heap/MarkedBlock.h: Copied from runtime/MarkedBlock.h.
        * heap/MarkedSpace.cpp: Copied from runtime/MarkedSpace.cpp.
        * heap/MarkedSpace.h: Copied from runtime/MarkedSpace.h.
        * interpreter/RegisterFile.cpp:
        * runtime/ConservativeSet.cpp: Removed.
        * runtime/ConservativeSet.h: Removed.
        * runtime/MachineStackMarker.cpp: Removed.
        * runtime/MachineStackMarker.h: Removed.
        * runtime/MarkStack.cpp: Removed.
        * runtime/MarkStack.h: Removed.
        * runtime/MarkStackPosix.cpp: Removed.
        * runtime/MarkStackSymbian.cpp: Removed.
        * runtime/MarkStackWin.cpp: Removed.
        * runtime/MarkedBlock.cpp: Removed.
        * runtime/MarkedBlock.h: Removed.
        * runtime/MarkedSpace.cpp: Removed.
        * runtime/MarkedSpace.h: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@83506 268f45cc-cd09-0410-ab3c-d52691b4dbfc