OpenDNS Updater

Mar 5, 2019

- Started to work on #13. App version bumped to 2.1.0
- AppIntro incorporated. Explanations are given to the user
- If app has been updated, use old configuration
- Use AppIntro policies
- Moved permissions to application intro.
- Added basic showcase functions to show and explain how to use the app
- Added Spotlight to explain the main view. Updated licenses lists.
- Fixed minors bugs.
- Fixed typos