add two checkpoints in InstUtils.pm and aixlitesetup
if the entry in litefile table is one file and the entry in spot is one directory,
or the entry in litefile table is one directory and the entry in spot is one file,
there will be one error message to indicate the user to update the spot or the litefile table
One loop is added to do the check in InstUtils.pm;
in aixlitesetup script, two checkpoints are added to make sure the entries in litetree is comatible with the litefile entry
Also add one checkpoint in aixinstall.pm to see the return code of dolitesetup
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7864 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
b841208705