added missing uint type for coordinate system argument, replaced const

var default (fdt comp)

updated changelog and bumped revision number to 4.1.5

updated changelog and bumped revision number to 4.1.4

Merge pull request away3d#467 from johnbrandle/master

update to allow tiltAngle & panAngle to resolve after first call to update in HoverController

version 4.0.0 (beta)