Revisions to generic.xml

Here is a first run at revising generic.xml to better handle prose and verse text.  Hopefully enough specificity has been added to the CSS rules.
[Here] (http://demo.jewishliturgy.org/api/data/original/%D7%91%D7%A8%D7%90%D7%A9%D7%99%D7%AA%20%D7%90/combined?transclude=true) is the link, though I don't think it's a bug.  It's more like what you described: an overarching ab contained in the top level div.