Remove p tag and get back his first value to hv tag

Signed-off-by: Seblu <sebastien.luttringer@smartjog.com>

TQL

@@ -78,16 +78,15 @@ Reserved tags are tags with a special meaning and cannot be set or remove
 directly by clients
 
 id: object unique identifier (eg: kvmlab-1.test5)
-p: parent object identifier (eg: kvmlab-1)
 a: account name (eg: bobby)
 r: account role (host/hv/vm/cli/web/spv)
 closed: account close status
 con: connection uptime in seconds (eg: 3600)
 ip: ipv4 of connection
+hv: hypervisor id (eg: kvmlab-1)
 
 == well known tags ==
 h: hostname (eg: access)
-hv: hypervisor name (eg: kvmlab-1)
 htype: hypervisor type (xen/kvm)
 libvirtver: Libvirt version
 status: VM status (running/paused/stopped)