Updated WorldWind Android documentation (#146)

- Added ISSUE_TEMPLATE.md, which outlines the expectations for submitting an issue
- Added PULL_REQUEST_TEMPLATE.md, which outlines the expectations for submitting a pull request
- Added CONTRIBUTING.md, which outlines the expectations for contributing and resources available for WorldWind Android
- My only additional comment about the CONTRIBUTING.md file is that it does not include the design/coding guidelines that are available in the other WorldWind repositories. My thoughts are to add the CONTRIBUTING.md file as is now, but update it with the design/coding guidelines later.

CONTRIBUTING.md

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+# Contributing to WorldWind Android
+
+#### Table of Contents
+
+[Asking Questions](#asking-questions)
+
+[Contributing](#contributing)
+- [Reporting Bugs](#reporting-bugs)
+- [Suggesting New Features](#suggesting-new-features)
+- [Pull Requests](#pull-requests)
+
+[Resources](#resources)
+
+## Asking Questions
+
+**Please do not file an issue to ask a question.** You will get faster results by using the following resources:
+
+- Check out the [WorldWind Forum](https://forum.worldwindcentral.com/)
+- Email the [Administrative Contact](mailto:patrick.hogan@nasa.gov)
+
+## Contributing
+
+### Reporting Bugs
+
+This section guides you through submitting a bug report to WorldWind Android. Following these guidelines helps both the
+WorldWind team and community understand your report, reproduce the behavior, and find related reports.
+
+#### Before Submitting a Bug Report
+
+* Check the [**WorldWind Forum**](https://forum.worldwindcentral.com/forum/worldwind-android-wwa/android-discussion).
+* Check this repository's [**issues**](https://github.com/NASAWorldWind/WorldWindAndroid/issues) to see if the problem has
+already been reported. If it has and the issue is **still open**, add a comment to the existing issue instead of opening
+a new one.
+
+> **Note:** If you find a **Closed** issue that seems like it is similar to what you are experiencing, open a new issue
+and include a link to the original issue in the body of your new one.
+
+#### Submitting a Good Bug Report
+
+Bugs are tracked as [GitHub issues](https://guides.github.com/features/issues/). After you've complete the prerequisites
+for submitting a bug, create an issue in the appropriate repository and providing the following information by filling out
+the [template](ISSUE_TEMPLATE.md).
+
+Explain the problem and include additional details to help the WorldWind team reproduce the problem:
+
+* **Use a clear, descriptive title.**
+* **Describe the exact steps which reproduce the problem.** Please be as detailed as possible. When listing steps, don't
+just say what you did, but explain how you did it.
+* **Provide specific examples.** Include the appropriate files, links, or code snippets which will help the WorldWind
+team and community better understand the issue.
+* **Describe the behavior.** Detail what behavior you observed and point out what is wrong with that behavior. Explain
+which behavior you expected to see and why.
+
+Provide more context by answering these questions:
+
+* **Did the problem start happening recently?**
+* **Can you reliably reproduce the issue?** If not, provide details about how often the problem happens and under which
+conditions it normally happens.
+* **Does the problem happen for all files, or only some?**
+* **What is the name and version of the OS you're running?**
+
+### Suggesting New Features
+
+This section guides you through submitting and enhancement for WorldWind Android, including completely new features and minor
+improvements to existing functionalities. Following these guidelines helps the WorldWind team and community understand
+your suggestion and find related suggestions.
+
+Before creating new feature suggestions, check this repository's [issues](https://github.com/NASAWorldWind/WorldWindAndroid/issues)
+as you may find out that you don't need to create one. When you are creating an enhancement suggestion, please provide as many details as possible. Fill in the [template](ISSUE_TEMPLATE.md), including the steps that you imagine you would take if the feature you're requesting existed.
+
+#### Submitting a Good New Feature Suggestion
+
+New feature suggestions are tracked as [GitHub Issues](https://guides.github.com/features/issues/). After you've checked for existing issues that might relate to your suggestion, create an issue
+in the appropriate repository and provide the following information:
+
+* **Use a clear and descriptive title.**
+* **Provide a step-by-step description of the suggested enhancement** in as many details as possible.
+* **Provide specific examples to demonstrate the steps.**
+* **Explain why this enhancement would be beneficial** to most WorldWind users.
+* **Specify the name and version of the OS you're using.**
+
+### Pull Requests
+
+* Fill in the [PULL_REQUEST template](PULL_REQUEST_TEMPLATE.md).
+* Do not include issue numbers in the PR title.
+* Provide a description of the change.
+* Explain why this code should be in the core.
+* Describe possible benefits and drawbacks from merging this pull request.
+* Specify some issues to which this pull request is applicable.
+
+## Resources
+
+For WorldWind Android tutorials and examples, please check out our website: https://worldwind.arc.nasa.gov/.
+
+For community support and FAQs, check out the WorldWind Forum: https://forum.worldwindcentral.com/.
+
+To reach our Administrative Contact, please email: [patrick.hogan@nasa.gov](mailto:patrick.hogan@nasa.gov).

ISSUE_TEMPLATE.md

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+**Note:** Any issue that does not include enough information to be reviewed in a timely manner may be closed at the
+maintainer's discretion.
+
+### Prerequisites
+
+Please fulfill the following requirements before submitting an issue to this repository.
+
+- Check the "Common Problems" page on the WorldWind website: https://worldwind.arc.nasa.gov/web/tutorials/common-problems/
+- Check that your issue isn't already filed: https://github.com/NASAWorldWind/WebWorldWind/issues
+- Check the WorldWind forum for common solutions: https://forum.worldwindcentral.com/forum/web-world-wind/web-world-wind-help
+
+### Description
+
+[Description of the issue]
+
+### Steps to Reproduce
+
+1. [First step]
+2. [Second step]
+3. [and so on...]
+
+**Expected behavior:** [What you expect to happen]
+
+**Actual behavior:** [What actually happens]
+
+**Reproduces how often:** [What percentage of the time does it reproduce?]
+
+### Operating System and Version
+
+[What operating system and version are you using?]
+
+### Additional Information
+
+Any additional information, configuration or data that might be necessary to reproduce the issue.

PULL_REQUEST_TEMPLATE.md

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+**Note:** Filling out this template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the
+maintainer's discretion.
+
+### Description of the Change
+
+### Why Should This Be In Core?
+
+### Benefits
+
+### Potential Drawbacks
+
+### Applicable Issues