Quiet Car

Release Android app to Google Play store (#3)

* Attempt to generate a signed APK

* Overcome release issues

* Access release key password from keychain

* Fix unmet dependency error

* Add About page and Contact info; close #1

* Add venmo link #1

* Change section order on About page

* Detect internet connection before making request

* Edit contents of about page

* Edit about page and restrict stations

* Fix default station issue

* Customize home screen icon