Prepare push to trunk. Now working on version 3.18.5.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/13886016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14455 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-04-26: Version 3.18.4
+
+        Added a preliminary API for ES6 ArrayBuffers
+
+        Replaced qsort with std::sort. (Chromium issue 2639)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-04-24: Version 3.18.3
 
         Exposed the GC under a name that is less collision prone than window.gc.

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     18
-#define BUILD_NUMBER      4
+#define BUILD_NUMBER      5
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)