Fixed some text problems, switched worklist_gen.pl to UNIX format, and...

Fixed some text problems, switched worklist_gen.pl to UNIX format, and included cstdlib so that exit() should definitely be there.

git-svn-id: https://code.lbl.gov/svn/voro/trunk@171 6221c96e-593b-4ce1-a500-64c4038a1943