Added new icons and improved old ones

serverside/style.css

@@ -715,6 +715,18 @@ background-image:url(/pve2/images/dd_icon-hdd.png);
 background-image:url(/pve2/images/dd_icon-swap.png);
 }
 
+.pve-itype-icon-display {
+background-image: url(/pve2/images/dd_icon-display.png);
+}
+
+.pve-itype-icon-cdrom {
+background-image: url(/pve2/images/dd_icon-cd.png);
+}
+
+.pve-itype-icon-network {
+background-image: url(/pve2/images/dd_icon-network.png);
+}
+
 .fa-fw.x-grid-icon-custom.fa.fa-database {
 color:#7289da;
 }