Update changelog for upcoming 0.14.0 release

CHANGES.txt

@@ -1,3 +1,69 @@
+0.14.0
+~~~~~~
+
+Breaking changes
+
+- Use keyword arguments as CSS properties in FloatImage (@Conengmo #1668)
+- Upgrade Leaflet 1.6.0 to 1.9.3, set default font size (@Conengmo #1660)
+- Upgrade Bootstrap 3.2.0 to 5.2.2 (@Conengmo #1650)
+
+New plugins
+
+- Add GroupedLayerControl plugin (@chansooligans #1592)
+- Add SideBySide plugin (@fralc #1292)
+- Add TagFilterButton plugin (@Waffleboy #1343)
+
+Major improvements
+
+- Add optional Jenks Natural Breaks Optimization to Choropleth (@pmains #1634)
+- Add Map.show_in_browser() method (@Conengmo #1651)
+- Accept TileProvider objects from the xyzservices package (@martinfleis #1498)
+- Add support for Vega-Lite v4 and v5 (@wd60622 #1525)
+- Upgrade Font Awesome 4.6.3 to 6.2.0 (@Sujithkumardola #1637)
+
+Minor improvements
+
+- Allow cql_filter argument in WmsTileLayer (@Conengmo #1673)
+- Silently allow lowerCamelCase for vector path options (@Conengmo #1672)
+- Allow html popups and templating in ClickForMarker (@Conengmo #1666)
+- Add show_geometry_on_click argument to Draw plugin (@Conengmo #1657)
+- Automatically join string and numeric key_on values for Choropleth (@alessioarena #1193)
+- Add speed_slider argument to TimeStampedGeoJson (@gokyori #1279)
+- Add gradient option to vector path options (@nocturnalAndroid #1433)
+- Add initial timestamp argument to TimeSliderChoropleth (@jjbenes #1435)
+- Allow passing TileLayer to Map (@Conengmo #1624)
+- Use fullscreen window in Map._to_png() (@Conengmo #1656)
+- Expose webdriver argument in Map._to_png() (@WooilJeong #1620)
+- Export the map only in Map._to_png() (@Vayel #1197)
+
+Bug fixes
+
+- Fix LayerControl visibility on multiple renders (@Conengmo #1674)
+- Fix the new TagFilterButton plugin, it's not a Layer (@Conengmo #1671)
+- Fix TopoJson object path lookup (@Conengmo #1665)
+- Fix Choropleth when `bins` is a list of integers (@Conengmo #1664)
+- Fix attribution links in Notebooks opening within iframe (@Conengmo #1655)
+- Fix empty geojson failing when using style_function (@agussman #1213)
+- Fix Marker location validation for numpy array (@Conengmo #1647)
+- Fix date sorting in TimeSliderChoropleth (@Ade-StapleHill #1503)
+- Fix unescaped backticks in Popup (@Conengmo #1642)
+- Fix `map.get_bounds()` when using GeometryCollection (@amrutha1098 #1633)
+- Fix ClickForLatLng not imported in __init__ (@amrutha1098  #1627)
+
+Documentation
+
+- More Flask examples (@Conengmo #1675)
+- Add PolyLine example to Quickstart.ipynb (@IamPhytan #1492)
+
+Thanks to:
+
+- All contributors to this release
+- @giswqs for fixing typos
+- @pmains for fixing flake8 warnings
+- @amrutha1098 for fixing tests
+- Our maintainers @ocefpaf and @Conengmo
+
+
 0.13.0
 ~~~~~~