Added isolates which allows several V8 instances in the same process. This is controlled through the new Isolate class in the API.

Implemented more of EcmaScript 5 strict mode.

Reduced the time it takes to make detailed heap snapshot.

Added a number of commands to the ARM simulator and enhanced the ARM disassembler.


git-svn-id: http://v8.googlecode.com/svn/trunk@7322 ce2b1a6d-e550-0410-aec6-3dcde31c8c00