Merge pull request #4157 from RosettaCommons/revert-4155-revert-4135-cdbahl/FragmentStore-python-bindings
Revert "Revert "Adding FragmentStore python bindings"":
- all changes from https://github.com/RosettaCommons/main/pull/4135
- fixing h5_fragment_store_provider.py when running with Python-2.7
- updating release.PyRosetta4 test so it always provide sub-test info
- updating release.PyRosetta4.conda test so it always provide sub-test info