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

Map cacheing for < 5.5.0 was broken and we were using whatever default was provided by QtLocation. Now we're properly creating and configuring a cache manager.

Also remove Move Up and Move Down support

Also fixed button and panel state transition bugs

This reverts commit 86f29adf.

This is in preparation for full Qml main window

This is to toggle off help view when clicking on items on the map and checking the appropriate buttons accordingly.