Lua scripts can have individual keyboard shortcuts (Issue 344)

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1532 416bcca6-2ee7-4201-b75f-2eb2f807beb1

src/factory.h

@@ -2,3 +2,12 @@
 */
 void Button_Brush_Factory(void);
 void Repeat_script(void);
+
+/// Lua scripts bound to shortcut keys.
+extern char * Bound_script[10];
+
+///
+/// Run a lua script linked to a shortcut, 0-9.
+/// Before: Cursor hidden
+/// After: Cursor shown
+void Run_numbered_script(byte index);