Implemented highlighting of selected thumbnail on visualTimeline.
commit to pull
fixed issue with visual timeline and resizing images
slideShow.java
-Added private NewToggle class as extension of ControlP5 Toggle that does not change for mouse onEnter event.

Quickshow.java
-Tied audioTimeline and visualTimeline pagination together.
-Removed audioTimeline.generateWaveForm() method calls.
-Removed controlbuttonUI.setSongTitle() method calls.
-Changed visualTime.getBounds() and audioTimeline.getBounds() method calls to directly access class variables.

audioTimeline.java
-Waveforms automatically generated when songs are loaded onto timeline.
-Renamed nextSong() and prevSong() methods to nextPage() and prevPage() methods.
-Adjusted conditional statements for nextPage(), prevPage(), getIndex(), getNumSelectedSongs(), getCurrSong() methods to remove extra return statements.
-Renamed int num_items to int num_pages.
-Removed getBounds() method.
-Changed permissions of class variable bounds to default.

controlbuttonUI.java
-String timeLineIndexString renamed to static final String timeLineDefaultString.
-Page label written directly to ControlP5 element in setTimeLinePageIndex() method instead of being stored and then writted.

visualTimeline.java
-Added wrapping increment and decrement for curr_index to showPrevOnTimeline() and showNextOnTimeline() methods.
-Adjusted conditional statements remove extra return statements.
-Removed getBounds() method.
-Changed permissions of class variable bounds to default.
-Moved variable declarations outside of loop in generateThumbnails() method.

PopupDialogue.java
-Added raw type warning suppression.

FileBrowser.java
-Fixed double click.