add issue templates and update linting

.github/pull_request_template.md

@@ -37,11 +37,8 @@
 # Checklist
 
 <!-- You can erase any parts of this template not applicable to your Pull Request. -->
-- [ ] Have you followed the guidelines in our Contributing document?
 - [ ] Have you checked to ensure there aren't other open [Pull Requests](../../../pulls) for the same update/change?
 - [ ] Does your submission pass tests?
 - [ ] Have you linted your code locally prior to submission?
 - [ ] Have you added an explanation of what your changes do and why you'd like us to include them?
-- [ ] Have you written new tests for your core changes, as applicable?
-- [ ] Have you successfully ran tests with your changes locally?
 - [ ] Have you updated documentation, as applicable?