added cursor
Shifted timeline tick marks up.
commit push
merged conflicts
modified visual item and movie item
Got rid of song index elements for audio timeline.
commit to pull
got the visualtimeline preview working for one page
got second page things to work
Added PopupDialogue.java.

visualthumbnailUI.java
-Fixed bug where a debug statement in the selectImage() method was attempting to display even when the selected index was out of bounds.

controlbuttonUI.java
-Button[] lockButtons array changed to Controller[] lockControllers array to include Shuffle object.
-Popup dialogue elements moved to PopupDialogue.java.

FileBrowser.java
-Loading individual files using the textfield now possible.

Quickshow.java
-Added keyPressed() method to handle pausing the slide show using the spacebar key.
-Added PopupDialogue object.

visualTimeline.java
-Thumbnail border colors changed.
-Tick marks now traverse entire height of timeline box, with color denoting multiples of 5.

audioTimeline.java
-Tick marks now traverse entire height of timeline box, with color denoting multiples of 5.