- Rewrote process control to simpler state model: stopped/running/exiting

- Stricter CLICON_BACKEND_RESTCONF_PROCESS :
 - if set, restconf daemon queries backend for its config
 - if not set, restconf daemon reads its config from main config file

test/test_restconf.sh

@@ -51,9 +51,11 @@ if [ "${WITH_RESTCONF}" = "native" ]; then
     # Create server certs and CA
     cacerts $cakey $cacert
     servercerts $cakey $cacert $srvkey $srvcert
+    USEBACKEND=true
 else
     # Define default restconfig config: RESTCONFIG
     RESTCONFIG=$(restconf_config none false)
+    USEBACKEND=false
 fi
 
 # This is a fixed 'state' implemented in routing_backend. It is assumed to be always there
@@ -111,6 +113,7 @@ cat <<EOF > $cfg
   <CLICON_BACKEND_PIDFILE>/usr/local/var/$APPNAME/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
   <CLICON_XMLDB_DIR>/usr/local/var/$APPNAME</CLICON_XMLDB_DIR>
   <CLICON_MODULE_LIBRARY_RFC7895>true</CLICON_MODULE_LIBRARY_RFC7895>
+  <CLICON_BACKEND_RESTCONF_PROCESS>$USEBACKEND</CLICON_BACKEND_RESTCONF_PROCESS>
   $RESTCONFIG <!-- only fcgi -->
 </clixon-config>
 EOF