Update PULL_REQUEST_TEMPLATE

Author: Matt Bernier

.github/PULL_REQUEST_TEMPLATE

@@ -1,19 +1,24 @@
-<!-- 
-Please explain WHAT you changed and WHY.
+<!--
+We appreciate the effort for this pull request but before that please make sure you read the contribution guidelines given above, then fill out the blanks below.
 
-The title should be descriptive, for example:
 
-* *Fixed a typo in the readme.md page*
-* *Add email template validation to TravisCI*
-* *Removed css code and add link tag to welcome.css*
-
-Fill out this form in the body:
+Please enter each Issue number you are resolving in your PR after one of the following words [Fixes, Closes, Resolves]. This will auto-link these issues and close them when this PR is merged!
+e.g. 
+Fixes #1
+Closes #2
 -->
+# Fixes # 
 
-**Description of the change**:
-**Reason for the change**:
-**Link to original source**:
-<!-- 
-If this pull request closes an issue, add in the issue number here 
--->
-Closes #
+### Checklist
+- [ ] I have made a material change to the repo (functionality, testing, spelling, grammar)
+- [ ] I have read the [Contribution Guide] and my PR follows them.
+- [ ] I updated my branch with the master branch.
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] I have added necessary documentation about the functionality in the appropriate .md file
+- [ ] I have added in line documentation to the code I modified
+
+### Short description of what this PR does:
+- 
+- 
+
+If you have questions, please send an email to [Sendgrid](mailto:dx@sendgrid.com), or file a Github Issue in this repository.