Replace cgit.cgi/org-mode.git links with code.orgmode.org ones

org-8.0.org

@@ -11,7 +11,7 @@
 #+INDEX: exporter
 #+INDEX: migrating
 
-The release of Org-mode 8.0 (and the git repository master branch, as of [[https://orgmode.org/cgit.cgi/org-mode.git/commit/?id%3D1cac3127c2f810e83fcc1203f1dd2b15250a687e][commit 1cac3127c]])
+The release of Org-mode 8.0 (and the git repository master branch, as of [[https://code.orgmode.org/bzg/org-mode/commit/1cac3127c2f810e83fcc1203f1dd2b15250a687e][commit 1cac3127c]])
 uses a new export framework, developed by Nicolas Goaziou. This document provides
 information on general changes to Org, as well as the steps needed to update your
 configuration properly.

org-contrib/babel/examples/fontify-src-code-blocks.org

@@ -13,7 +13,7 @@ Org-Babel buffer inside Emacs. We'll show you how you can improve the
 appearance of source code blocks.
 
 Note that coloring the background of code blocks with native
-fontification no longer works as of [[https://orgmode.org/cgit.cgi/org-mode.git/commit/?id=f8b42e8][commit f8b42e8]].
+fontification no longer works as of [[https://code.orgmode.org/bzg/org-mode/commit/f8b42e8][commit f8b42e8]].
 
 * Screenshot
 

org-contribute.org

@@ -200,7 +200,7 @@ A commit message should be constructed in the following way:
 - Line 2 is an empty line.
 
 - In line 3, the ChangeLog entry should start.  A ChangeLog entry
-  looks like [[https://orgmode.org/cgit.cgi/org-mode.git/commit/?id%3Dd49957ef021e256f19092c907d127390d39ec1ed][this]]:
+  looks like [[https://code.orgmode.org/bzg/org-mode/commit/d49957ef021e256f19092c907d127390d39ec1ed][this]]:
 
   : * org-timer.el (org-timer-cancel-timer, org-timer-stop): Enhance
   : message.