Refactor of server, logging, building of images, template updates

* Combine provision response handling, add hwaddr and interface to dhcp
* Simplify stage cases, add backward compatible uri parse
* Move control of image compression to client
* Fix kernel search path for ubuntu, buffer template generation
* Implement cpio and gz as functions, add log named functions
* Generalize fs image creation routine
* Combine daemonLogf to generalized wwlog
* Fix template newline insertion, update dhcp and hosts tmpl
* Update IPXE template to handle non-compressed files
* Update DHCP template to set network interfaces and server IP assignment
* Update DHCP/hosts templates to choose a host-name self-consistently

internal/app/wwclient/root.go

@@ -178,7 +178,7 @@ func updateSystem(ipaddr string, port int, wwid string, tag string, localUUID uu
 	counter := 0
 	for {
 		var err error
-		getString := fmt.Sprintf("http://%s:%d/overlay-runtime/%s?assetkey=%s&uuid=%s", ipaddr, port, wwid, tag, localUUID)
+		getString := fmt.Sprintf("http://%s:%d/provision/%s?assetkey=%s&uuid=%s&stage=runtime&compress=gz", ipaddr, port, wwid, tag, localUUID)
 		wwlog.Printf(wwlog.DEBUG, "Making request: %s\n", getString)
 		resp, err = Webclient.Get(getString)
 		if err == nil {