fixes not concerning graphics

- default is no graphics
- use send_file instead of response (proper mimetype)
- fix issues with parameter blocks

client/jsFiles/SEAWebClientGroup.js

@@ -75,7 +75,7 @@ function create_group_row(s, component) {
         slideNames[s] = component.name;
         document.title = "SEA "+ clientTitle + " " + slideNames.join(" ");
         history.pushState({func: "gotoGroups", funarg: slideNames.join("%20")}, document.title, "#" + slideNames.join("%20"));
-        getGroup(s, name);
+        getGroup(s, component.name);
     }
 
     if (title === "console" || title === "device config") {
@@ -139,7 +139,6 @@ function create_pushbutton_row(s, component) {
     var name = component.name;
     var command = component.command;
     var left = createTitle(component);
-    console.log(info);
     
     left.id = component.name;
     left.name = component.title;
@@ -187,7 +186,7 @@ function create_input_row(s, component) {
     var name = component.name;
     var command = component.command;
 
-    if (info) {
+    if (component.info) {
         var infoBox = createInfo(component);
     }
     var left = createTitle(component);