Merge pull request #4119 from RosettaCommons/JWLabonte/tracers
AtomTree: Changing tracer volume on something that is not really an error
This merge will silence an error message given when the AtomTree cannot find a DoF for a torsion angle, even though the atoms exist. This often occurs in the case of cyclic systems. The way the code is currently written, Conformation will simply calculate the angles on the fly in such a case, so there is no need to report an error; Rosetta can handle this case just fine. If it can't, such as if being asked to minimize that DoF, it will fail later anyhow with a clear error message.
This merge will change about three dozen integration tests, which are currently outputting these errors while actually running to completion without any issue.
All unit tests pass. I have checked all integration test changes, and they are as expected.