Update CHANGES.txt

Author: Conengmo

CHANGES.txt

@@ -5,7 +5,9 @@
 - Add Geocoder plugin (@WBP20 #1323)
 - Replace githack.com CDN with jsdelivr.com (@conengmo #1337)
 - Add SemiCircle plugin (@kuaka #1238)
-- Move hardcoded JS CDN links to module variables (@and-viceversa #1312)
+- Move hardcoded JS CDN links to class variables (@and-viceversa @conengmo #1312 #1416)
+- Treat data uris as valid (@Kirill888 #1428)
+- Add GeoJson marker option (@jtbaker #957)
 
 Bug fixes