Fix typography

src/typica.w

 TeX Gyre Pagella font and sets this as the default standard font for all web
 views.
 
+@s QFontDatabase int
+@s QWebSettings int
+
 @<Set up fonts@>=
 QFile entypo(":/resources/fonts/entypo.ttf");
 entypo.open(QIODevice::ReadOnly);