[editor] remove 'transposeletters' aka. ctrl-T shortcut (hard coded)

vispa/extensions/codeeditor/static/js/editor.js

@@ -220,7 +220,9 @@ define(["jquery", "emitter", "./action", "require", "ace/ace", "ace/ext-language
       this.ace.commands.removeCommands(Object.keys(this.ace.commands.commands));
       // add the default commands
       $.each(this.originalAceCommands, function(key, data) {
-        this.ace.commands.addCommand(data);
+        if (!(key == "transposeletters")) {
+          this.ace.commands.addCommand(data);
+        }
       }.bind(this));
 
       // overwrite with custom commands
@@ -306,7 +308,9 @@ define(["jquery", "emitter", "./action", "require", "ace/ace", "ace/ext-language
       this.ace.setOptions({
         enableBasicAutocompletion: enable,
         enableLiveAutocompletion: enable,
-        enableSnippets: enable
+        enableSnippets: enable,
+        liveAutocompletionDelay: 500,
+        liveAutocompletionThreshold: 3
       });
     },
 
@@ -402,4 +406,4 @@ define(["jquery", "emitter", "./action", "require", "ace/ace", "ace/ext-language
   });
 
   return CodeEditor;
-});
+});
\ No newline at end of file