-Continue work towards restored wcons functionality
-Correct mistake in previous commit with regards to XCATROOT detection
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@422 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
-Save the singular set of kernel/initrd/command line arguments when switching away from iscsi to, say, shell
-Add implicit imgserver to destiny, assume the management node if nothing else specified
-Reorder tftp boot directory hosting iscsi bootstrap, avoid race condition
-Change wcons to a perl script in preparation for more sophisticated operation/syntax
-Schema changes to iscsi table, place the vlan column after port to reflect relative importance to user
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@420 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
