Prepare push to trunk. Now working on version 3.20.6.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19154003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15656 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-07-15: Version 3.20.5
+
+        Ensured that the length of frozen arrays is immutable  (issue 2711,259548)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-07-10: Version 3.20.4
 
         Fixed garbage-collection issue that causes a crash on ARM

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     20
-#define BUILD_NUMBER      5
+#define BUILD_NUMBER      6
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)