Updated existing icon and added a new one for when things have changed.

Also handling the toggling of the various panes on the right side of the screen to match the current selected task.

Adjusted icons so they no longer contain a background.
Added *Exclusive* functionality to the RoundButton element.
Added OnClicked signal for the drop down boxes so I could turn off Add Mission Item and Home Mode.

Adding *Home* icon for Don.

Replacing some icons, cleaning up help text, etc.

Tweaking MapType and MapCenter icons
Added Zoom Plus/Minus icons to be used for maps
Added PiP icon for the upcoming Picture-in-Picture functionality