Betty 0.3.0b9

What's Changed

• Add translation coverage to the documentation by @bartfeenstra in #1174
• Add JSON examples to the documentation site by @bartfeenstra in #1175
• Fix a bug where Wikipedia page names were not sufficiently quoted during HTTP requests by @bartfeenstra in #1177
• Fix an erroneous permanent redirect and add Vary response headers in the nginx configuration by @bartfeenstra in #1176
• Make content negotiation implicit by @bartfeenstra in #1180
• Document the data model by @bartfeenstra in #1187
• Allow sitemaps to scale beyond 50,000 URLs by @bartfeenstra in #1189
• Embed the nginx extension's Lua code in its assets by @bartfeenstra in #1190
• Show inherited members in the API documentation by @bartfeenstra in #1192
• Refactor the gramps tests and remove a risky shared testing fixture by @bartfeenstra in #1191
• Ensure all configuration classes have initializer arguments for all their values by @bartfeenstra in #1193
• Add Twitter card support by @bartfeenstra in #1194
• Allow maps to be displayed fullscreen by @bartfeenstra in #1148
• Fix all pydocstyles D100 violations by @bartfeenstra in #1195
• Fix Leaflet.js markers not showing due to incorrect URLs by @bartfeenstra in #1196

Full Changelog: 0.3.0b8...0.3.0b9