bug 699331 - pt 1 - replace hardcoded font-loader constants with prefs to allow easier tuning. r=jdaggett
bug 699331 - pt 2 - read info for fewer families each time the font-loader runs. r=jdaggett
bug 865715 - eliminate uninitialized-variable warning in nsGUIEventIPC.h. r=smaug
Bug 849526 - Workaround Clang issue with the conservative stack scanner. r=dvander

--HG--
extra : rebase_source : 4b4baa63b7413a022a41f28ea62e280f7905f1c5