Merge pull request #339 from rstudio/update-pull-request-template

Update the GitHub pull request template.

Author: tdstein

.github/pull_request_template.md

@@ -1,21 +1,35 @@
-### Description
+<!--- Provide a general summary of your changes in the title. -->
 
-> Include a brief description of the problem being solved and why this
-> approach was chosen. Mention risks or shortcomings with this solution.
-> Provide relevant background information such as the associated issue, links
-> to design documents, screenshots, and performance measurements.
->
-> Even small changes deserve a little attention to detail. Put your change in
-> context.
+## Description
+<!--- Please describe the problem you are addressing and your proposed changes. -->
 
-Connected to #
+## Motivation and Context
+<!--- Even small changes deserve a little attention to detail. -->
+<!--- Why is this change required? What problem does it solve? -->
+<!--- If it fixes an open issue, please link to the issue here. -->
+<!--- Example: "Addresses Issue # 1" -->
 
-### Testing Notes / Validation Steps
+## How Has This Been Tested?
+<!--- Please describe in detail how you tested your changes. -->
+<!--- Automation should be used to verify that a change remains in place. -->
+<!--- Automated tests should be included in this pull request. -->
 
-> Explain how this change has been tested and what cases/conditions are
-> covered. Enumerate the steps someone might take to manually exercise this
-> change. Detail is important!
->
-> You can recommend one-time manual testing when someone validates your
-> changes. Rely on automation when trying to verify that a change remains in
-> place. Automated tests should be included in this PR.
+<!--- If applicable, enumerate the steps that someone can take to exercise this change manually. -->
+<!--- Please include details of your testing environment. -->
+<!--- Detail is important! -->
+
+### Screenshots (if appropriate):
+
+## Types of Changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply. -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply: -->
+<!--- If you need clarification on any of these, feel free to ask. We're here to help! -->
+- [ ] I have read the **CONTRIBUTING** document.
+- [ ] My code follows the code style of this project.
+- [ ] I have updated the documentation as needed.
+- [ ] I have added tests to cover my changes.