Adding my name, and a link to PR howto (#160)

* Adding my name, and a link to PR howto

* Changing absolute link to relative

* Update loops-in-progress.md

* Proper Markdown-ified relative link.  I think.

docs/docs/walkthrough/phase-0/loops-in-progress.md

@@ -2,7 +2,7 @@
 
 To get you comfortable with submitting a "PR" (stands for pull request), test it out by submitting a PR to this page, adding your name to the list of people who have loops in progress. This way we know how many people are in the development phase, too.
 
-New to Github, and PRs? Check out how to submit your first PR.
+New to Github, and PRs? [Check out how to submit your first PR](../../../../docs/docs/Resources/my-first-pr.md).
 
 List of people who are working on closed loops:
 
@@ -18,3 +18,4 @@ List of people who are working on closed loops:
 - Frank Best
 - Brooke Armstrong & Matt Pazoles
 - David Young
+- Paul Martin