Bug 830466 - Turn off tipsOnly for try. r=catlee

--HG--
extra : rebase_source : 4b40beab6cb403ac4f247dd235ea691a725a69cc
Bug 710840: Track peak virtual memory usage of link.exe process during libxul
PGO link on graph server. r=bhearsum
Bug 833577 - s/try-by-default/try_by_default/. r=bhearsum

--HG--
extra : rebase_source : 930376568b958fa161c38fa7d38cba21af45f673
remove reserve slaves stuff
cleanup tests