8155257: ParNew/CMS: Clean up promoted object tracking
Reviewed-by: jmasa, ysr

8146395: Add inline qualifier in oop.hpp and fix inlining in gc files
Summary: Fix remaining issues after 8146401. Also fix windows VS2010 linkage problem (g1OopClosures.hpp).
Reviewed-by: stefank, mgerdin

8142472: Remove debugging code guarded by CMSPrintPromoBlockInfo
Reviewed-by: david, ehelin

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david