Added fluid temperature and enthalpy vectors for display purposes in Gas.Flow1DFV 

git-svn-id: https://thermopower.svn.sourceforge.net/svnroot/thermopower/trunk@298 80daafeb-7430-0410-91d5-8b30b0bbd841
Added comment

git-svn-id: https://thermopower.svn.sourceforge.net/svnroot/thermopower/trunk@299 80daafeb-7430-0410-91d5-8b30b0bbd841