Downgrade V8 to 3.1.8.25

There are serious performance regressions both in V8 and our own legacy
networking stack. Until we correct our own problems we are going back to the
old V8.

deps/v8/.gitignore

@@ -19,17 +19,13 @@ d8
 d8_g
 shell
 shell_g
-/build/gyp
 /obj/
 /test/es5conform/data/
 /test/mozilla/data/
 /test/sputnik/sputniktests/
-/test/test262/data/
 /tools/oom_dump/oom_dump
 /tools/oom_dump/oom_dump.o
 /tools/visual_studio/Debug
 /tools/visual_studio/Release
 /xcodebuild/
 TAGS
-Makefile
-*.Makefile

deps/v8/AUTHORS

@@ -7,9 +7,7 @@ Google Inc.
 Sigma Designs Inc.
 ARM Ltd.
 Hewlett-Packard Development Company, LP
-Igalia, S.L.
 
-Akinori MUSHA <knu@FreeBSD.org>
 Alexander Botero-Lowry <alexbl@FreeBSD.org>
 Alexander Karpinsky <homm86@gmail.com>
 Alexandre Vassalotti <avassalotti@gmail.com>
@@ -26,21 +24,17 @@ Jay Freeman <saurik@saurik.com>
 Joel Stanley <joel.stan@gmail.com>
 John Jozwiak <jjozwiak@codeaurora.org>
 Kun Zhang <zhangk@codeaurora.org>
-Martyn Capewell <martyn.capewell@arm.com>
 Matt Hanselman <mjhanselman@gmail.com>
-Maxim Mossienko <maxim.mossienko@gmail.com>
+Martyn Capewell <martyn.capewell@arm.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>
-Robert Mustacchi <rm@fingolfin.org>
 Rodolph Perfetta <rodolph.perfetta@arm.com>
 Ryan Dahl <coldredlemur@gmail.com>
 Sanjoy Das <sanjoy@playingwithpointers.com>
 Subrato K De <subratokde@codeaurora.org>
 Vlad Burlik <vladbph@gmail.com>
-Yuqiang Xian <yuqiang.xian@intel.com>
 Zaheer Ahmad <zahmad@codeaurora.org>