Create a python library for xcat as a starting point for transition
to Python based in xCAT3. There are also plans to switch over to
using the SoftLayer Python API (over Perl)
xCAT-SoftLayer.spec file will ship lib/python/xcat directory. A new
bin file 'softlayer_nas.py" is created to help assist users with
mounting and unmount the SoftLayer NAS shared filesystem
DevOps Task #10959 unser xCAT_SoftLayer project
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