Nearing completion of Sinusoidal.
* Added ProjectionRect.contains(ProjectionPoint).
* Added another test to SinusoidalTest. In it, the bouding box includes both poles (so basically, the entire earth).
Coverity defects, mostly lazy init of StationHelper.
Merge branch '4.5.3' of https://github.com/cwardgar/thredds into 4.5.3