Bug fix where there is no local user and some zutil updates

src/se/hal/ControllerManager.java

@@ -291,6 +291,7 @@ public class ControllerManager implements HalSensorReportListener,
                 controllerMap.put(c, controller);
             } catch (Exception e){
                 logger.log(Level.SEVERE, "Unable to instantiate controller: "+c.getName(), e);
+                controller = null;
             }
         }
         return (T)controller;

src/se/hal/HalContext.java

@@ -1,5 +1,6 @@
 package se.hal;
 
+import se.hal.struct.User;
 import zutil.db.DBConnection;
 import zutil.db.DBUpgradeHandler;
 import zutil.db.SQLResultHandler;
@@ -141,6 +142,14 @@ public class HalContext {
 						return null;
 					}
 				});
+                // Check if there is a local user
+                User localUser = User.getLocalUser(db);
+                if (localUser == null){
+                    logger.info("Creating local user.");
+                    localUser = new User();
+                    localUser.setExternal(true);
+                    localUser.save(db);
+                }
 
                 logger.info("DB upgrade done");
                 dbConf.setProperty(PROPERTY_DB_VERSION, defaultDBConf.getProperty(PROPERTY_DB_VERSION));

src/se/hal/HalServer.java

@@ -51,7 +51,6 @@ public class HalServer {
 
 
         // init DB and other configurations
-        DBBean.enableBeanGBC(false); // we don't need gbc for our beans as we would loose the device data
         DBConnection db = HalContext.getDB();
 
         // Init sensors,events and controllers

src/se/hal/page/UserConfigHttpPage.java

@@ -34,6 +34,10 @@ public class UserConfigHttpPage extends HalHttpPage {
             switch(request.get("action")) {
                 // Local User
                 case "modify_local_user":
+                    if (localUser == null) {
+                        localUser = new User();
+                        localUser.setExternal(true);
+                    }
                     localUser.setUsername(request.get("username"));
                     localUser.setAddress(request.get("address"));
                     localUser.save(db);