OPERA R3 PGE Release Candidate 2.0

Release Candidate 2.0 for the R3 PGEs

This release incorporates the "CalVal" release of the DSWx-S1 SAS, as well as the "Gamma" release of the DISP-S1 SAS.

What's Changed

• 386 ci dir cleanup by @JimHofman in #397
• 385 shell script options by @JimHofman in #405
• 393 improve error reporting for sas subprocess by @rjbdev05 in #407
• DSWx-S1 CalVal Integration by @collinss-jpl in #413
• 412- add compare scripts to respective directories by @rjbdev05 in #414
• DISP-S1 Gamma Integration by @collinss-jpl in #417
• Release 3.0.0-rc.2.0 by @collinss-jpl in #419

Full Changelog: 3.0.0-rc.1.0...3.0.0-rc.2.0