Prepare push to trunk. Now working on version 2.5.6.

Review URL: http://codereview.chromium.org/4669002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5777 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-11-08: Version 2.5.5
+
+        Added more aggressive GC of external objects in near out-of-memory
+        situations.
+
+        Fixed a bug that gave the incorrect result for String.split called
+        on the empty string (issue 924).
+
+
 2010-11-03: Version 2.5.4
 
         Improved V8 VFPv3 runtime detection to address issue 914.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     5
-#define BUILD_NUMBER      5
+#define BUILD_NUMBER      6
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true