Update V8 to r7427: Initial merge by git

As required by WebKit r82507

Change-Id: I7ae83ef3f689356043b4929255b7c1dd31d8c5df
diff --git a/AUTHORS b/AUTHORS
index 92b69cb..843d1d2 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -24,12 +24,14 @@
 Joel Stanley <joel.stan@gmail.com>
 John Jozwiak <jjozwiak@codeaurora.org>
 Kun Zhang <zhangk@codeaurora.org>
-Matt Hanselman <mjhanselman@gmail.com>
 Martyn Capewell <martyn.capewell@arm.com>
+Matt Hanselman <mjhanselman@gmail.com>
+Maxim Mossienko <maxim.mossienko@gmail.com>
 Michael Smith <mike@w3.org>
 Mike Gilbert <floppymaster@gmail.com>
 Paolo Giarrusso <p.giarrusso@gmail.com>
 Patrick Gansterer <paroga@paroga.com>
+Peter Varga <pvarga@inf.u-szeged.hu>
 Rafal Krypa <rafal@krypa.net>
 Rene Rebe <rene@exactcode.de>
 Rodolph Perfetta <rodolph.perfetta@arm.com>