Revert classpath.conf.in to before .deb packaing merge

This change is apparently incompatible with the centos packaging,
temporarily reverting until we have discussed a proper fix

CLOUDSTACK-1436: 4.1 management server fails to start from RPM...
CLOUDSTACK-1423: Unable to launch UI [HTTP Status 404 - ]

Signed-off-by: David Nalley <david@gnsa.us>
rpm packaging fix: Add symlink for log4j-cloud.xml in client webapp

web.xml now references a log4j-cloud.xml relative to the webapp root
to capture early logging from spring.  This change introduces a symlink
in the client webapp to the system wide log4j-cloud.xml which works around
a problem starting cloud-management described in CLOUDSTACK-1436

CLOUDSTACK-1436: 4.1 management server fails to start from RPM...
CLOUDSTACK-1423: Unable to launch UI [HTTP Status 404 - ]

Signed-off-by: David Nalley <david@gnsa.us>
CLOUDSTACK-452: cloudstack UI - Infrastructure menu - zone detail - physical network - guest network - add IPv6 CIDR, IPv6 Gateway to listView and detailView.
CLOUDSTACK-452: cloudstack UI - Infrastructure menu - zone detail - physical network - create guest network - add IPv6 Gateway, IPv6 CIDR, IPv6 Start IP, IPv6 End IP field.
CLOUDSTACK-452: cloudstack UI - Infrastructure menu - zone detail - guest network - network detail - View IP Ranges (only available in Advanced zone) - add IPv6 Start IP, IPv6 End IP field to listView and Add IP Range dialog.
CLOUDSTACK-452: cloudstack UI - Zone Wizard - add IPv6 DNS1 field, IPv6 DNS2 field.