ENH: CLI: refine logic

1. return error when there is object partly inside the plate;
2. add the status callback for progress indicating
3. add the version in help
4. fix the return state of validation from 1 to -51

Change-Id: I716057bd5b28a4beb2871614b94708a0860af1a2

src/libslic3r/PrintConfig.cpp

@@ -4342,6 +4342,12 @@ CLIActionsConfigDef::CLIActionsConfigDef()
     def->tooltip = L("Export settings to a file.");
     def->cli_params = "settings.json";
     def->set_default_value(new ConfigOptionString("output.json"));
+
+    def = this->add("pipe", coString);
+    def->label = L("Send progress to pipe");
+    def->tooltip = L("Send progress to pipe.");
+    def->cli_params = "pipename";
+    def->set_default_value(new ConfigOptionString("cli_pipe"));
 }
 
 //BBS: remove unused command currently