8155917: Memory access in free regions during G1 full gc causes regressions in SPECjvm2008 scimark.fft,lu,sor,sparse with 9+116 on Linux-x64
Summary: Do not unnecessarily touch the memory of free regions during the compaction phase in G1 full gc causing some OSes to allocate physical memory for them, decreasing performance in some situations.
Reviewed-by: mgerdin, jmasa

8073321: assert(q > prev_q) failed: we should be moving forward through memory
Reviewed-by: jmasa, mgerdin

8153203: Remove liveRange.hpp
Reviewed-by: mgerdin, jwilhelm

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

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