Pivot the camera upward in build mode for visibility
Camera panning, UI prefabbed, music changes
Scale panning speed based on distance from camera.
Improve visibility of healthbars
Various UI improvements
Add tower selection behavior

Still need to make it look pretty, but it works. Also, beware that raycasts now ignore triggers. If that is a problem let me know.
Slightly adjust camera pivot point position
Merge branch 'christian_staging'
Restore misc UI functionality