added a temp debug button for datatables
added custom.css.optional file
fixed a few css glitches with datatables
cleaned up inline js setup code for datatables
  added setTableName(), setSaveState(), setPagination(), and setScrollInfinite() functions to datatables_Table class

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@38 e374cdb8-7ee8-0d77-fd1e-c554042f9154