Include woff2 in packaging. Closes #5692

Author: lovelydinosaur

MANIFEST.in

@@ -1,6 +1,6 @@
 include README.md
 include LICENSE.md
-recursive-include rest_framework/static *.js *.css *.png *.eot *.svg *.ttf *.woff
+recursive-include rest_framework/static *.js *.css *.png *.eot *.svg *.ttf *.woff *.woff2
 recursive-include rest_framework/templates *.html schema.js
 recursice-include rest_framework/locale *.mo
 global-exclude __pycache__