* Updated readme and community health files for upcoming release
* Improved readme formatting. Added 'mailto:' to email links.
Co-authored-by: Mark Peterson <markpet@yahoo.com>
- Added ISSUE_TEMPLATE.md which details the steps one should take in submitting an issue.
- Added PULL_REQUEST_TEMPLATE.md which details the expectations for creating a pull request.
- Updated CONTRIBUTING.md. This file replaces the HowToContribute.md file, but still includes the Design and Coding Guidelines from that file. It also includes more detail about asking questions, reporting bugs, submitting new feature suggestions, and creating pull requests for Web WorldWind. It explains the expectations for contributing to the Web WorldWind repository. It includes information on how to submit a bug report, new feature suggestion, or a pull request. It also guides the user on the appropriate way to contact the WorldWind team with questions.
