Bug fix
Bug fix

Use of proposal diagonal covariance data for Queso required column
file data.  I releaxed this to allow either row or column layouts.
This fixes the pdakota_cantilever_queso test.

git-svn-id: d5469d78598a82f75b3d1e6419ce8b4d1ddac974@3286 aa0779c3-6ec2-4b84-a212-a405c134cd8d

pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA