Comment 11 for bug 1066888

Pushed a commit onto the collab branch that uses real LC and Dewey call numbers as a base for the concerto bibs, and adds the ability to set the class when using the evergreen.populate_callnumber() function.

One consquence of breaking this out into multiple files is that I used to just run "psql -f Open-ILS/tests/databases/concerto.sql" but now I have to cd into the directory first. A small inconvenience, to be sure.