* src/vmcore/rt-timing.h: Added gc rt-timing defines.

* src/vmcore/rt-timing.h: Added gc rt-timing defines.
* src/vmcore/rt-timing.c [ENABLE_GC_CACAO]: Added gc rt-timing entries.
* src/mm/cacao-gc/gc.c: Added realtime-timing.

* src/mm/cacao-gc/heap.h: Removed unused global variables.

--HG--
branch : exact-gc