Use a serif font for /dev edition

For variety
2014-12-02 15:25:37 +00:00 · 2014-12-02 15:25:37 +00:00 · d8365cfc9e
commit d8365cfc9e
--- a/editions/dev/tiddlers/system/fontfamily.tid
+++ b/editions/dev/tiddlers/system/fontfamily.tid
@ -0,0 +1,3 @@
+title: $:/themes/tiddlywiki/vanilla/settings/fontfamily
+
+"Georgia", serif