Merge pull request #2112 from edx/e0d/fix-woff2

Make regex more specific and fix woff2

playbooks/roles/nginx/templates/edx/app/nginx/sites-available/static-files.j2

@@ -15,7 +15,7 @@
     }
 
     # http://www.red-team-design.com/firefox-doesnt-allow-cross-domain-fonts-by-default
-    location ~ "/static/(?P<collected>.*\.[0-9a-f]{12}\.(eot|otf|ttf|woff))" {
+    location ~ "/static/(?P<collected>.*\.[0-9a-f]{12}\.(eot|otf|ttf|woff|woff2)$)" {
         expires max;
         add_header Access-Control-Allow-Origin *;
         try_files /staticfiles/$collected /course_static/$collected =404;