Fix to initialize proposalCovMatrix in NonDQUESOBayesCalibration:: precondition_proposal().  QUESO is now running to completion with  preconditioning, although it's currently unhappy with the Cholesky  factor of the covariance that we are passing in.
Fix to initialize proposalCovMatrix in NonDQUESOBayesCalibration::
precondition_proposal().  QUESO is now running to completion with 
preconditioning, although it's currently unhappy with the Cholesky 
factor of the covariance that we are passing in.


git-svn-id: d5469d78598a82f75b3d1e6419ce8b4d1ddac974@3140 aa0779c3-6ec2-4b84-a212-a405c134cd8d

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