Remove cli-user from buildout. it's not necessary since users can be added via
ui and the setup requires one admin user to be created anyway.
Use / as the homedir for admin users. Correct the rcli path.
Disable create pool button when no disks exist.
Disable create button when no disks available.
Change cosmetics of the disable button and tool tip information.
update django-hack script for updated packages
Merge pull request #307 from schakrava/issue#300

Issue#300