In qmos, added some color coding options for the jigsaw movement arrows in the...

In qmos, added some color coding options for the jigsaw movement arrows in the control network tool. You can now color code this arrows on the number of measures in a point or on the maximum residual magnitude of the measures in the point. Fixes #479.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@4947 41f8697f-d340-4b68-9986-7bafba869bb8