Prepare push to trunk. Now working on 2.2.7.

Review URL: http://codereview.chromium.org/1759011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4535 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-04-28: Version 2.2.6
+
+        Add "amd64" as recognized architecture in scons build script
+        (by Ryan Dahl <coldredlemur@gmail.com>).
+
+        Fix bug in String search and replace with very simple RegExps.
+
+        Fix bug in RegExp containing "\b^".
+
+        Performance improvements on all platforms.
+
 2010-04-26: Version 2.2.5
 
         Various performance improvements (especially for ARM and x64)
@@ -5,8 +16,8 @@
         Fixed bug in CPU profiling (http://crbug.com/42137)
 
         Fixed a bug with the natives cache.
-        
-        Fixed two bugs in the ARM code generator that can cause 
+
+        Fixed two bugs in the ARM code generator that can cause
         wrong calculations.
 
         Fixed a bug that may cause a wrong result for shift operations.

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