Several combined cleanup patches from Scott McKellar:

Several combined cleanup patches from Scott McKellar:

 * remove leading underscores from static vars and functions
 * make static functions, well, static
 * tighten up the definition of funcs that take 0 params

http://list.georgialibraries.org/pipermail/open-ils-dev/2007-May/001095.html
http://list.georgialibraries.org/pipermail/open-ils-dev/2007-May/001101.html
http://list.georgialibraries.org/pipermail/open-ils-dev/2007-May/001112.html

git-svn-id: svn://svn.open-ils.org/ILS/trunk@7369 dcc99617-32d9-48b4-a31d-7c20da2025e4