3.1.0-rc.6.0

Release Candidate 6 for the R3 DISP-S1.

This Release incorporates the 3.0.2 DSWx-S1 PGE release (Final v1.1 of the DSWx-S1 SAS), 3.0.0-rc.4.0 DISP-S1 PGE ("CalVal" point release v0.4.3 SAS) and 4.0.0-er.2.0 DSWx-NI PGE.

What's Changed

• Issue 984 disp s1 v3.0.0 rc.4.0 integration by @hhlee445 in #985
• Issue 971 survey disp s1 frame only by @philipjyoon in #973
• Issue 978: Names of the two DISP-S1 reference files 1) burst db and 2) fra… by @philipjyoon in #983
• Revert disabling inclusion of water mask by @hhlee445 in #976
• Change EPOCH from 20190101 to 20140101 by @hhlee445 in #980

Full Changelog: 3.0.1...3.1.0-rc.6.0