Merge pull request #41 from fusion-energy/develop

updates to work with latest openmc compile

Merge pull request #39 from fusion-energy/removing_use_of_mat_prefix

Removing use of mat prefix

Merge pull request #35 from fusion-energy/develop

fixing artifact upload on release

Merge pull request #34 from fusion-energy/develop

updated docker image

Merge pull request #34 from fusion-energy/develop

updated docker image