bug 884348 Make is_gc_count column add fast
Merge pull request #1298 from twobraids/build-arch-info

Fixes Bug 881623 - Fixed bad call in getting number of CPUs from MDSW
Merge pull request #1262 from twobraids/report_throttle

fixes Bug 836753: added 'throttle_rate' to raw crash
Merge pull request #1301 from selenamarie/bug884348-migration-speedup

bug 884348 Make is_gc_count column add fast
added bixie collector with tests
fixups after merge