Prepare push to trunk. Now working on version 3.13.2.

R=mstarzinger@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10836290

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12322 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-08-16: Version 3.13.1
+
+        Performance and stability improvements on all platforms.
+
+
 2012-08-10: Version 3.13.0
 
         Added histograms for total allocated/live heap size, as well as

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     13
-#define BUILD_NUMBER      1
+#define BUILD_NUMBER      2
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)