MB-6972:  change calling structure, updated usage of auto-staging.sh:

usage:  auto-staging.sh  VERSION  [ -e EDITION -p PLATFORM -t TYPE ]

           VERSION         product version string, of the form 2.0.2-769-rel

         [ -e EDITION  ]   community or enterprise.  (both if not given)
         [ -p PLATFORM ]   32 or 64.                 (both if not given)
         [ -t TYPE     ]   rpm, deb, setup.exe       (all if not given)

         [ -m TMP_DIR  ]   temp dir to use, if not /Users/plabee/release_tmp

         [ -h          ]   print this help message

By default the script will handle packages for all editions, platforms and package types.

Change-Id: I548ed7c64eecc62877c9976e00439e1443153918
MB-6972:  split the repo creation into prep_ and seed_

The first is used to create the keys, yum.repo.d and sources.list.d
directories and files, and the secnd is used to add a local repo
for a specific edition (community, enterprise).

Change-Id: I9ed878bdac27e87f5ae6e93f313447453b8bf5dc
MB-6972:  now need 5 scripts for debian, since keys and sources are
not in community or enterprise directories

Change-Id: If0394bea61fdea67996214052dd709aa6a62382f