8165808: Add release barriers when allocating objects with concurrent collection
Summary: Add release_set_klass, use in slow-path allocators.
Reviewed-by: jmasa, dholmes

8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
Summary: Set oop_size before setting _klass
Reviewed-by: coleenp, dholmes, kbarrett, tschatzl

8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
Summary: Use align_metadata_size, align_metadata_offset and is_metadata_aligned for metadata rather than align_object_size, etc. Use wordSize rather than HeapWordSize for metadata. Use align_ptr_up rather than align_pointer_up (all the related functions are ptr).
Reviewed-by: hseigel, jmasa, cjplummer

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

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

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