• Use coordinates from the 'data' parameter of a Google Maps URL, if available. Fixes #7.
• Get coordinates by parsing Google Maps HTML if they're not available in the URL. Fixes #6.
• Add the "open supported links" feature. Fixes #4.
• Add support for goo.gl and app.goo.gl short links.
• Fix support for coordinates with 15 decimal places.
• Show a toast message if link unshortening failed due to a network error. Fixes #5.