Addresses feedback on PR template in rust-lang#11

Author: TheDan64

Diff for: .github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,31 @@
+<!--- This version of the form is by no means final -->
+<!--- Provide a brief summary of your changes in the title above -->
+
+## Description
+
+<!--- Describe your changes in detail -->
+
+## Related Issue
+
+<!--- This project only accepts pull requests related to open issues -->
+<!--- If suggesting a new feature or change, please discuss it in an issue first -->
+<!--- If fixing a bug, there should be an issue describing it with steps to reproduce -->
+<!--- Please link to the issue here -->
+
+## How This Has Been Tested
+
+<!--- Please describe in detail how you tested your changes. -->
+<!--- Include details of your testing environment, and the tests you ran to -->
+<!--- see how your change affects other areas of the code, etc -->
+
+## Option\<Breaking Changes\>
+
+<!--- If any breaking changes were made, please explain why they are required -->
+<!--- If not, feel free to remove this section altogether -->
+
+## Checklist
+
+<!--- Go over all the following points, and put an `x` in all the boxes that apply -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+
+- [ ] I have read the [Contributing Guide](CONTRIBUTING.md)