Refer to separate issue tracking repository

Update documentation to refer to separate issue tracking
repository, https://github.com/ARM-software/tf-issues/issues.

Change-Id: Ib1cef65b0da420bec58290d8743eb069b1226c96
diff --git a/contributing.md b/contributing.md
index 2f46d7e..6e4623a 100644
--- a/contributing.md
+++ b/contributing.md
@@ -29,11 +29,10 @@
     everyone visibility of whether others are working on something similar. ARM
     licensees may contact ARM directly via their partner managers instead if
     they prefer.
-    *   For bugs, use the "bug" label in the [issue] and clearly describe the
-        problem, including steps to reproduce.
-    *   For enhancements, use the "enhancement" label and clearly describe
-        how you intend to implement the change.
-        If you intend to include Third Party IP in your contribution, please
+    *   Note that the [issue] tracker for this project is in a separate
+        [issue tracking repository]. Please follow the guidelines in that
+        repository.
+    *   If you intend to include Third Party IP in your contribution, please
         raise a separate [issue] for this and ensure that the changes that
         include Third Party IP are made on a separate topic branch.
 *   [Fork][] [arm-trusted-firmware][] on GitHub.
@@ -55,9 +54,10 @@
 *   Avoid long commit series. If you do have a long series, consider whether
     some commits should be squashed together or addressed in a separate topic.
 *   Make sure your commit messages are in the proper format. If a commit fixes
-    a GitHub [issue], include a reference (e.g. "fixes #45"); this ensures
-    the [issue] is [automatically closed] when merged into the
-    [arm-trusted-firmware] `master` branch.
+    a GitHub [issue], include a reference (e.g.
+    "fixes arm-software/tf-issues#45"); this ensures the [issue] is
+    [automatically closed] when merged into the [arm-trusted-firmware] `master`
+    branch.
 *   Where appropriate, please update the documentation.
     *   Consider whether the [User Guide] or [Porting Guide] need updating.
     *   Changes that have a material impact on behavior or programming
@@ -103,12 +103,13 @@
 [Porting Guide]:                        ./docs/porting-guide.md
 [Acknowledgements]:                     ./acknowledgements.md "Contributor acknowledgements"
 
-[cla-submissions@arm.com]: mailto:cla-submissions@arm.com
-[GitHub account]:          http://github.com/signup/free
-[Fork]:                    http://help.github.com/articles/fork-a-repo
-[issue]:                   http://github.com/ARM-software/arm-trusted-firmware/issues
-[pull request]:            http://help.github.com/articles/using-pull-requests
-[automatically closed]:    https://help.github.com/articles/closing-issues-via-commit-messages
-[Git guidelines]:          http://git-scm.com/book/ch5-2.html
-[Linux coding style]:      https://www.kernel.org/doc/Documentation/CodingStyle
-[arm-trusted-firmware]:    https://github.com/ARM-software/arm-trusted-firmware
+[cla-submissions@arm.com]:      mailto:cla-submissions@arm.com
+[GitHub account]:               https://github.com/signup/free
+[Fork]:                         https://help.github.com/articles/fork-a-repo
+[issue tracking repository]:    https://github.com/ARM-software/tf-issues
+[issue]:                        https://github.com/ARM-software/tf-issues/issues
+[pull request]:                 https://help.github.com/articles/using-pull-requests
+[automatically closed]:         https://help.github.com/articles/closing-issues-via-commit-messages
+[Git guidelines]:               http://git-scm.com/book/ch5-2.html
+[Linux coding style]:           https://www.kernel.org/doc/Documentation/CodingStyle
+[arm-trusted-firmware]:         https://github.com/ARM-software/arm-trusted-firmware
diff --git a/docs/change-log.md b/docs/change-log.md
index b400ac7..6c9a197 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -85,6 +85,10 @@
 *   GCC compiler built-in function support has been disabled in order to improve
     compiler independence.
 
+*   The references to GitHub issues in the documentation now to point to a
+    separate issue tracking repository
+    https://github.com/ARM-software/tf-issues.
+
 
 ARM Trusted Firmware - version 0.2
 ==================================
diff --git a/readme.md b/readme.md
index 306e71a..aae2dbd 100644
--- a/readme.md
+++ b/readme.md
@@ -108,7 +108,7 @@
 
 ARM welcomes any feedback on the Trusted Firmware. Please send feedback using
 the [GitHub issue tracker](
-https://github.com/ARM-software/arm-trusted-firmware/issues).
+https://github.com/ARM-software/tf-issues/issues).
 
 ARM licensees may contact ARM directly via their partner managers.