webadmin: Missing storage options in data center "Guide me"

In data center model, when clicking the "Add More Storage" options lacked
some storage types that exists in the new storage dialog under storage tab
this patch fixes that

Change-Id: I2c2327962efcb26c671f3479fd53a4093efbe3e1
Bug-Url: https://bugzilla.redhat.com/1065970
Signed-off-by: Tal Nisan <tnisan@redhat.com>