Fixed bitwise negation on x64. (Chromium issue 285355)

Dropped GetCurrentThreadId() and TerminateExecution(int) from  	the external API.

Fixed polymorphic INTERCEPTOR StoreICs on ARM/MIPS. (Chromium issue 284998)

Added check if timeout has expired after processing each sample. (issue 2814,v8:2871)

Removed obsolete global V8::has_been_fooed flags. (issue 2744)

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@16593 ce2b1a6d-e550-0410-aec6-3dcde31c8c00