8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8159978: Use an array to store the collection set regions instead of linking through regions
Summary: Fix a potential problem with memory visibility in the sampling thread in the collection set by changing the way we store the collection set.
Reviewed-by: ehelin, jmasa

8146399: Refactor the BlockOffsetTable classes.
Reviewed-by: mgerdin, jwilhelm, tschatzl

8139867: Change how startsHumongous and continuesHumongous regions work in G1.
Reviewed-by: tschatzl, tbenson

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

8067336: Allow that PLAB allocations at the end of regions are flexible
Summary: PLAB allocations may return a buffer that is between minimum size (current allocation) and the desired size. This allows removes a large amount of fragmentation at the end of regions.
Reviewed-by: tbenson, mgerdin

8073052: Rename and clean up the allocation manager hierarchy in g1Allocator.?pp
Summary: Fix naming of G1ParGCAllocator, decrease dependencies between G1CollectedHeap, G1Allocator and G1AllocRegion, additional documentation.
Reviewed-by: mgerdin, jmasa, kbarrett

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: stefank, dholmes, kbarrett

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