Correct links to libcontainer issues

Docker-DCO-1.1-Signed-off-by: Glyn Normington <gnormington@gopivotal.com> (github: glyn)

CONTRIBUTORS_GUIDE.md

@@ -6,7 +6,7 @@ feels wrong or incomplete.
 
 ## Reporting Issues
 
-When reporting [issues](https://github.com/dotcloud/libcontainer/issues) 
+When reporting [issues](https://github.com/docker/libcontainer/issues) 
 on GitHub please include your host OS (Ubuntu 12.04, Fedora 19, etc),
 the output of `uname -a`. Please include the steps required to reproduce
 the problem if possible and applicable.
@@ -47,7 +47,7 @@ else is working on the same thing.
 ### Create issues...
 
 Any significant improvement should be documented as [a GitHub
-issue](https://github.com/dotcloud/libcontainer/issues) before anybody
+issue](https://github.com/docker/libcontainer/issues) before anybody
 starts working on it.
 
 ### ...but check for existing issues first!

ROADMAP.md

@@ -3,7 +3,7 @@
 This document is a high-level overview of where we want to take libcontainer next.
 It is a curated selection of planned improvements which are either important, difficult, or both.
 
-For a more complete view of planned and requested improvements, see [the Github issues](https://github.com/dotcloud/docker/issues).
+For a more complete view of planned and requested improvements, see [the Github issues](https://github.com/docker/libcontainer/issues).
 
 To suggest changes to the roadmap, including additions, please write the change as if it were already in effect, and make a pull request.