Make nuclide/element names case insensitive in input.
Merge branch 'develop' into case-insensitive
Merge branch 'develop' into case-insensitive

Conflicts:
	src/cmfd_input.F90
Merge pull request #316 from paulromano/case-insensitive

Make nuclide/element names case insensitive in input
Merge branch 'develop' into cmfd-theory