Prepare push to trunk. Now working on version 3.17.16.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12957006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-03-21: Version 3.17.15
+
+        Rolled back API changes to maintain compatibility with older
+        3.17.x versions of V8.
+
+        Disable zapping of global handles in release mode.
+
+        Always mark the entire valid prefix of the descriptor array.
+        (Chromium issue 196331)
+
+        Use internal memcpy for CopyWords and when copying code.
+        (Chromium issue 196330)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-03-20: Version 3.17.14
 
         Use internal memcpy when initializing code objects.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     17
-#define BUILD_NUMBER      15
+#define BUILD_NUMBER      16
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)