Version 3.29.66 (based on bleeding_edge revision r23957)

Currently, a new isolate is created in an uninitialized state, and several API methods will automatically initialize it. During this uninitialized state, code event handlers and function entry handlers can be attached to the isolate.

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@23959 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk