fixed some typos

authentication-module/src/main/java/net/jami/jams/authmodule/RegisterUserFlow.java

@@ -37,7 +37,7 @@ public class RegisterUserFlow {
            return false;
         }
         datastore.getUserDao().storeObject(user);
-        log.info("Create the user " + user.getUsername() + " because he did not exist before!");
+        log.info("Created the user " + user.getUsername() + " because he did not exist before!");
         return true;
     }
 }

authentication-module/src/main/java/net/jami/jams/authmodule/UserAuthenticationModule.java

@@ -125,6 +125,7 @@ public class UserAuthenticationModule implements AuthenticationModule {
                 user.setAccessLevel(AccessLevel.USER);
                 user.setRealm(key.getRealm());
                 user.setUserType(key.getType());
+                //This is legal with a null ONLY because in this case there is no relation with a external server.
                 RegisterUserFlow.createUser(user,null);
                 return tokenController.getToken(user);
             }