Add eucaconsole user support for console

Fixes EUCA-4238
Added sample iscsid.conf docfile

Fixes EUCA-3951
Updated version to 3.2.1
Console config files need noreplace

Fixes EUCA-4603
Merge branch 'maint/3.2/testing' into testing

Conflicts:
	eucalyptus.spec
Migrate iptables-preload during cc upgrade

/var/run/eucalyptus/iptables-preload moves to
/etc/eucalyptus/iptables-preload if the former exists and the latter
does not.

Fixes EUCA-4702
Merge branch 'maint/3.2/testing' into testing