Removing NAF harvest tool; the API this depends on is broken and will not be fixed.

Authority data can now be conveniently downloaded directly from OCLC:

http://www.oclc.org/research/activities/fast/download.html
http://viaf.org/viaf/data/
Removed outdated references to install.bat.
Merge branch 'master' into search-refactor
Removed unnecessarily overcomplicated debugNeeded() mechanism.
Merge branch 'master' into search-refactor