* Update issue templates
Add in new issue templates for bug reports and feature requests.
Bug reports will have a basic template covering "description", "error messages", and "chef exceptions"
Feature requests will have a basic template covering "description", and a "reasoning behind feature"
* fix spacing for bug report and feature request templates
* add pull request template
* update changelog with changes
* respond to code review comments and change header to ##
* respond to code review comments and use Justification and change header to ##
* move CONTRIBUTING and PULL_REQUEST_TEMPLATE into ISSUE_TEMPLATE directory as suggested in PR comments
* move github specific docs into github folder
* move shared docs into root