CLOUDSTACK-7250 [vCenter 5.5] SourceNAT,StaticNAT and Portfowrding is not working with Vmware DVS in vCenter 5.5

Change in vCenter 5.5 API from prior versions forced code change in CloudStack. Update property value of property "VirtualE1000.deviceInfo.summary" is accommodated now.

Signed-off-by: Sateesh Chodapuneedi <sateesh@apache.org>
Fixed Marvin Issue: Hypervisor value was hardcoded to XenServer while deploying VM if not specified

Signed-off-by: Santhosh Edukulla <santhosh.edukulla@gmail.com>
CLOUDSTACK-7087: Latest OS X VPN client not working Downgrading openswan version to 1:2.6.37-3

Reviewed-by: Abhinandan

Signed-off-by: Sheng Yang
CLOUDSTACK-7245: listIsos call does not return isdynamicallyscalable in the response attributes as mentioned in API docs.