Prepare push to trunk. Now working on version 3.17.6.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12342033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-02-27: Version 3.17.5
+
+        Made __proto__ a foreign callback on Object.prototype.
+        (issue 621, issue 1949 and issue 2441)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-02-25: Version 3.17.4
 
         Performance and stability improvements on all platforms.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     17
-#define BUILD_NUMBER      5
+#define BUILD_NUMBER      6
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)