Prepare push to trunk. Now working on version 3.23.19.

R=dslomov@chromium.org
TBR=dslomov@chromium.org

Review URL: https://codereview.chromium.org/104183003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18250 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-12-04: Version 3.23.18
+
+        Performance and stability improvements on all platforms.
+
+
 2013-12-03: Version 3.23.17
 
         Performance and stability improvements on all platforms.

src/version.cc

@@ -34,7 +34,7 @@
 // system so their names cannot be changed without changing the scripts.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     23
-#define BUILD_NUMBER      18
+#define BUILD_NUMBER      19
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)