Prepare push to trunk. Now working on version 3.12.17.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10824015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-07-25: Version 3.12.16
+
+        Performance and stability improvements on all platforms.
+
+
 2012-07-24: Version 3.12.15
 
         Added PRESERVE_ASCII_NULL option to String::WriteAscii.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     12
-#define BUILD_NUMBER      16
+#define BUILD_NUMBER      17
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)