Prepare push to trunk. Now working on version 2.2.2.

Review URL: http://codereview.chromium.org/1626003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4345 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-04-06: Version 2.2.1
+
+        Debugger improvements.
+
+        Fixed minor bugs.
+
+
 2010-03-29: Version 2.2.0
 
         Fixed a few minor bugs.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     2
-#define BUILD_NUMBER      1
+#define BUILD_NUMBER      2
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true