CLOUDSTACK-869:Netscaler support as an external LB provider:front end
CLOUDSTACK-869:Netscaler support as an external LB provider
CLOUDSTACK-1647: IP Reservation should not happen if the guest-vm cidr and network cidr is not same but their start ip and end ip are same.

Signed-off-by: Sateesh Chodapuneedi <sateesh@apache.org>
CLOUDSTACK-2882: Fix the diskdevice based on hypervisor

KVM > /dev/vda
Xen > /dev/xvdd

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cloudstack