Prepare push of version 2.1.3 to trunk.

TBR=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/802002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4078 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-03-10: Version 2.1.3
+
+        Added API method for context-disposal notifications.
+
+        Added API method for accessing elements by integer index.
+
+        Added missing implementation of Uint32::Value and Value::IsUint32
+        API methods.
+
+        Added IsExecutionTerminating API method.
+
+        Disabled strict aliasing for GCC 4.4.
+
+        Fixed string-concatenation bug (issue 636).
+
+        Performance improvements on all platforms.
+
+
 2010-02-23: Version 2.1.2
 
         Fix a crash bug caused by wrong assert.
@@ -6,6 +24,7 @@
 
         Performance improvements on all platforms.
 
+
 2010-02-19: Version 2.1.1
 
         [ES5] Implemented Object.defineProperty.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     1
-#define BUILD_NUMBER      3
+#define BUILD_NUMBER      4
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true