Prepare push to push version 2.5.6 to trunk.

Review URL: http://codereview.chromium.org/4709003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5803 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-11-10: Version 2.5.6
+
+        Added support for VFP rounding modes to the ARM simulator.
+
+        Fixed multiplication overflow bug (issue 927).
+
+        Added a limit for the amount of executable memory (issue 925).
+
+
 2010-11-08: Version 2.5.5
 
         Added more aggressive GC of external objects in near out-of-memory

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      6
+#define BUILD_NUMBER      7
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true