fix: moved from deprecated scipy.io to numpy.loadtext


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/mystic/mystic@708 968178ea-60bd-409e-af13-df8a517b6005
Merge branch 'master' of https://github.com/uqfoundation/mystic

Conflicts:
	examples_other/test_br8.py