v2.17.2

What's Changed

• trying just-the-docs theme by @jasonray in #109
• exp with theme by @jasonray in #110
• favicon by @jasonray in #111
• drop .travis by @jasonray in #113
• bump 2.17.2 by @jasonray in #115

Full Changelog: v2.17.1...v2.17.2