Cleaned up save_as_cmdows and load_from_cmdows code slightly

pyKADMOS/sample/graph.py

pyKADMOS/sample/utilities.py

pyKADMOS/scripts/sellarProblemRCE.py

pyKADMOS/scripts/sellarProblemRCE/FPG.pdf

pyKADMOS/scripts/sellarProblemRCE/FPG_IDF.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_MDF-GS.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_MDF-J.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_converged-DOE-GS.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_converged-DOE-J.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_converged-MDA-GS.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_converged-MDA-J.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_unconverged-DOE-GS.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_unconverged-DOE-J.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_unconverged-MDA-GS.xml

pyKADMOS/scripts/sellarProblemRCE/FPG_unconverged-MDA-J.xml

pyKADMOS/scripts/sellarProblemRCE/MDAO_IDF.pdf

pyKADMOS/scripts/sellarProblemRCE/MDAO_IDF.xml

pyKADMOS/scripts/sellarProblemRCE/MDAO_MDF-GS.pdf

pyKADMOS/scripts/sellarProblemRCE/MDAO_MDF-GS.xml

pyKADMOS/scripts/sellarProblemRCE/MDAO_MDF-J.pdf