[test] Add missing u'' Test actually works in py3k, but not in python 2... That has to be a first!

[data] Use correct syntax to unset CSS attributes (closes #8602446) 'default' is actually a recognized CSS cursor name (the regular pointer). Using this value doesn't revert to whatever cursor DOM elements have by default ('pointer' on links, 'text' on text, etc). The proper way to unset a CSS attribute on DOM elements is to set it to an empty string. http://stackoverflow.com/questions/2027935/how-to-remove-css-property-using-javascript

[server] install custom sql scripts before creating tables for the schema A cube might need something like 'CREATE EXTENSION postgis' before creating tables for its entities, to add new final types.