SPIKE: added preinst script which will stop deb installation. Intent is to add a check for the depricated Distributed-Datastore Filter and stop upgrade to Repose 3.0 if the filter is present
SPIKE: Added preinstallation script which will stop rpm installation. Intent is to add a check for the depricated Distributed-Datastore Filter and stop upgrade to Repose 3.0 if the filter is present
polished preinst script for deb to stop installation if the depricated dist-datastore filter is detected
polished  preinstallation script for rpm to stop installation if the depricated dist-datastore filter is detected
updating rpm preinstallation script to account for xml formatting
fixed preinst script as it was not piping contents of system-model.cfg.xml but rather just the filename system-model.cfg.xml'
added check for existence  of system-model for preinstall scripts for deb and rpm. Case for when the deb/rpm is used for initial install of repose
fixed spelling error
Merge pull request #850 from rackerlabs/B-62709-upgrade-script

B 62709 upgrade script