CSS, JS, Smarter Widget hover menu, Row popup, Quote, Categories, Menu items, Text

* CSS; removed all "v2" postfixes
* JS; if html response of widget is empty (not null) an error is shown,
and the popup is not opened
* Smarter Widget hover menu; function now can receive parameters to turn
on/off features, added feature to delete row (used by menu's)
* Row popup; bug fix; fixed misspelling of reference to other sheet
* Removed quote as option in bio (will make a dedicated quote widget in
the future)
* Categories widget: fixed configuration
* Menu items; no longer have decorate option, replace widget delete with
row delete
* Text; button (from turbo widget) is no longer required)
* Text; fixed css classes injecting for liftnote and dropcap