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
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