This improves the behavior of the configure step when the user provides -DCYCLUS_ROOT_DIR=/*/install/cyclus rather than -DCYCLUS_ROOT_DIR=/*/install.
This improves the behavior of the configure step when the user provides -DCYCLUS_ROOT_DIR=/*/install/cyclus rather than -DCYCLUS_ROOT_DIR=/*/install.

jlittell/cycamore,jlittell/cycamore,jlittell/cycamore,jlittell/cycamore