Version 3.30.1 (based on bleeding_edge revision r24337)

Introduce PromiseRejectCallback (issue 3093).

ES6: Implement object literal property shorthand (issue 3584).

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@24341 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk