Fixed return status for '--help'. Fixed wallet name (use macro instead of 'bytecoin wallet'

src/simplewallet/simplewallet.cpp

@@ -944,7 +944,7 @@ int main(int argc, char* argv[])
 
     if (command_line::get_arg(vm, command_line::arg_help))
     {
-      success_msg_writer() << "bytecoin wallet v" << PROJECT_VERSION_LONG;
+      success_msg_writer() << CRYPTONOTE_NAME << " wallet v" << PROJECT_VERSION_LONG;
       success_msg_writer() << "Usage: simplewallet [--wallet-file=<file>|--generate-new-wallet=<file>] [--daemon-address=<host>:<port>] [<COMMAND>]";
       success_msg_writer() << desc_all << '\n' << w.get_commands_str();
       return false;
@@ -961,7 +961,7 @@ int main(int argc, char* argv[])
     return true;
   });
   if (!r)
-    return 1;
+    return 0;
 
   //set up logging options
   log_space::get_set_log_detalisation_level(true, LOG_LEVEL_2);