CS-16018: cloudstack 3.0 UI - create VPN Customer Gateway - IKE DH, Perfect Forward Secrecy dropdown - restore blank option back and label it as "None".
CS-16018: cloudstack 3.0 UI - create VPN Customer Gateway - IKE DH, Perfect Forward Secrecy dropdown - restore blank option back and label it as "None".

GabrielBrascher/cloudstack,resmo/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,resmo/cloudstack,jcshen007/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,jcshen007/cloudstack,resmo/cloudstack,jcshen007/cloudstack,mufaddalq/cloudstack-datera-driver,wido/cloudstack,resmo/cloudstack,resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack