[Issue 9] Hide pull request template

Author: Mark Pospesel

PULL_REQUEST_TEMPLATE.md renamed to .github/pull_request_template.md

@@ -217,7 +217,7 @@ Prior to submitting a pull request you should:
 
 When submitting a pull request:
 
-* Use the [provided pull request template](PULL_REQUEST_TEMPLATE.md) and populate the Introduction, Purpose, and Scope fields at a minimum.
+* Use the [provided pull request template](.github/pull_request_template.md) and populate the Introduction, Purpose, and Scope fields at a minimum.
 * If you're submitting before and after screenshots, movies, or GIF's, enter them in a two-column table so that they can be viewed side-by-side.
 
 When merging a pull request: