PPCGeeks - WAD Update

Update List:
* Fixed a bug where opaque docks would appear transparent.
* Fixed a bug where page transitions could cause a crash.
* Made some changes to reduce the memory load.
* Fixed a problem with Agenda items being cut off.
* Fixed a bug where the "Return to First Page on Activate" option didn't do anything.
* Fixed a bug where items could disappear when switching pages in low-mem mode.
* Fixed a bug that caused the exporting to hang when processing the images and sounds.
* Fixed a problem where tasks in the Agenda object would overlap the checkbox occasionally.
* Reduced the CPU load when using an Agenda object.
* Fixed a bug in the tabbar where the bar wouldn't always draw completely across the screen.
* Fixed an issue on the tabbar where the selected page's normal image was drawn underneath its tab image, causing a transparency problem.