baking now shows a proper button, and bakes can be saved.

tools/editor/plugins/gi_probe_editor_plugin.cpp

@@ -0,0 +1,58 @@
+#include "gi_probe_editor_plugin.h"
+
+
+void GIProbeEditorPlugin::_bake() {
+
+	if (gi_probe) {
+		gi_probe->bake();
+	}
+}
+
+
+void GIProbeEditorPlugin::edit(Object *p_object) {
+
+	GIProbe * s = p_object->cast_to<GIProbe>();
+	if (!s)
+		return;
+
+	gi_probe=s;
+}
+
+bool GIProbeEditorPlugin::handles(Object *p_object) const {
+
+	return p_object->is_type("GIProbe");
+}
+
+void GIProbeEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+		bake->show();
+	} else {
+
+		bake->hide();
+	}
+
+}
+
+void GIProbeEditorPlugin::_bind_methods() {
+
+	ObjectTypeDB::bind_method("_bake",&GIProbeEditorPlugin::_bake);
+}
+
+GIProbeEditorPlugin::GIProbeEditorPlugin(EditorNode *p_node) {
+
+	editor=p_node;
+	bake = memnew( Button );
+	bake->set_text("Bake GI!");
+	bake->set_icon(editor->get_gui_base()->get_icon("BakedLight","EditorIcons"));
+	bake->hide();;
+	bake->connect("pressed",this,"_bake");
+	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU,bake);
+	gi_probe=NULL;
+}
+
+
+GIProbeEditorPlugin::~GIProbeEditorPlugin() {
+
+	memdelete(bake);
+}