Started work-around on admin-ajax.php (unfinished)

Admin-ajax.php wasn't appearing when not logged in.
Continued working on work-around
Finished work-around

Slideshows can now detect if their stylesheet hasn't loaded and load
their own when this is the case.
Temporarily deleted SideshowPluginAjax.php

For renaming it to SlideshowPluginAJAX.php
Re-added SlideshowPluginAJAX.php
Added !important statements to functional.css

To make functional.css more stable
Updated functional stylesheet

More !important statements added to make sure anchor tags aren't
margined or padded.
Repaired WordPress 3.5 uploader
Prepros
Updated functional stylesheet

Setting the left and top value of slideshow_view to a default of 0
should position the views more stably on loading of the page.
Fixed a randomization bug

In the getNextRandomViewID() method
Stable 2.2.19 Beta
Fixed a document.ready bug with Internet Explorer
Merge remote-tracking branch 'origin/beta'