User-Create Host Does Not Allow Wildcarded Octet

as of now, the only wildcarding pattern that will succeed for
user-create's 'host' parameter is '%'.

this patch permits wildcarded octets, e.g. '10.%' & '192.168.1.%'

Change-Id: If58ee69381d1bbf3be4af37c045d6f8a2d924947
Closes-Bug: 1245705
Merge "User-Create Host Does Not Allow Wildcarded Octet"