Filter datastores by vlan when searching for space
Filter datastores by vlan when searching for space

Some environments will not be homogeneous and the datastore with the
most space may not have the required VLANs. This patch, submitted by
Nicholas Brisebois at Dell SecureWorks, adds a --vlan option that will
do the necessary filtering.

Code supplied by Nicholas, and some minor changes by Sean Walberg to
pass rubocop

swalberg/knife-vsphere,swalberg/knife-vsphere,tim95030/knife-vsphere,ezrapagel/knife-vsphere,CoreMedia/knife-vsphere,dpattmann/knife-vsphere,hbombonato/knife-vsphere,adamleff/knife-vsphere,rhadoo/knife-vsphere,mheidenr/knife-vsphere,DennisBP/knife-vsphere,chef-partners/knife-vsphere