Upgrade to V8 4.9 in master

Makefile

@@ -144,7 +144,7 @@ test/addons/.buildstamp: $(ADDONS_BINDING_GYPS) | test/addons/.docbuildstamp
 	for dirname in test/addons/*/; do \
 		$(NODE) deps/npm/node_modules/node-gyp/bin/node-gyp rebuild \
 			--directory="$$PWD/$$dirname" \
-			--nodedir="$$PWD"; \
+			--nodedir="$$PWD" || exit 1 ; \
 	done
 	touch $@
 

deps/v8/.gitignore

@@ -25,6 +25,7 @@
 .cproject
 .d8_history
 .gclient_entries
+.gdb_history
 .landmines
 .project
 .pydevproject

deps/v8/AUTHORS

@@ -32,6 +32,7 @@ StrongLoop, Inc. <*@strongloop.com>
 Aaron Bieber <deftly@gmail.com>
 Abdulla Kamar <abdulla.kamar@gmail.com>
 Akinori MUSHA <knu@FreeBSD.org>
+Alex Kodat <akodat@rocketsoftware.com>
 Alexander Botero-Lowry <alexbl@FreeBSD.org>
 Alexander Karpinsky <homm86@gmail.com>
 Alexandre Vassalotti <avassalotti@gmail.com>
@@ -51,6 +52,7 @@ Daniel James <dnljms@gmail.com>
 Douglas Crosher <dtc-v8@scieneer.com>
 Dusan Milosavljevic <dusan.m.milosavljevic@gmail.com>
 Erich Ocean <erich.ocean@me.com>
+Evan Lucas <evan.lucas@help.com>
 Fedor Indutny <fedor@indutny.com>
 Felix Geisendörfer <haimuiba@gmail.com>
 Filipe David Manana <fdmanana@gmail.com>
@@ -102,7 +104,8 @@ Stefan Penner <stefan.penner@gmail.com>
 Tobias Burnus <burnus@net-b.de>
 Victor Costan <costan@gmail.com>
 Vlad Burlik <vladbph@gmail.com>
+Vladimir Krivosheev <develar@gmail.com>
 Vladimir Shutoff <vovan@shutoff.ru>
 Yu Yin <xwafish@gmail.com>
 Zhongping Wang <kewpie.w.zp@gmail.com>
-柳荣一 <admin@web-tinker.com>
+柳荣一 <admin@web-tinker.com>