Merge pull request #2157 from RosettaCommons/JWLabonte/XRW/LINK_records
PDB IO: Stop loading LINK records that cross crystal cells
LINK (and SSBOND) records include two codes that allow one to describe a link between atoms in two crystal cells using symmetry operations. To the best of my knowledge, there is no way we can handle this in Rosetta, and I believe it is simply safe to not load in such LINK records.
Please see the pull request for a full description.
All tests pass, (except for the ligand_database_io test, which is unstable.)