add new modes for displying materials
fix comp errors on linux

Still will not work on Fedora 20, netcdf will not find non-system hdf5 and meshkit will not build
Merge branch 'fix_linux_meshkit_superbuild' of epsilon3:scivis/local_rgg into update_material_options
keep color visible
fix delete bug
rename options based on Bob's suggections
update connection
Merge pull request #4 from judajake/update_material_options

Update material options