[[ DefaultHandlers ]] Add a couple more default script overrides

Author: livecodeali

Toolset/resources/supporting_files/default_scripts/com.livecode.interface.classic.OptionMenu.livecodescript

@@ -0,0 +1,7 @@
+script "com.livecode.interface.classic.OptionMenu"
+-- Sent when a menu item is picked from the option menu
+on menuPick pItemName
+   switch pItemName
+   
+   end switch
+end menuPick

Toolset/resources/supporting_files/default_scripts/com.livecode.interface.classic.Scrollbar.livecodescript

@@ -0,0 +1,11 @@
+script "com.livecode.interface.classic.Scrollbar"
+local sStartValue
+on mouseDown 
+   --save the initial value
+   put the thumbPos of me into sStartValue
+end mouseDown
+
+on scrollbarDrag newValue 
+-- newValue contains the current thumbpos value 
+
+end scrollbarDrag