v2.3.8

Change log:

ea97b11 GH-1347: DMLC Ignored Authentication Failures
8e8dda7 Add links to alternate documentation formats (#1348)
a31d143 GH-1339: Fix New Sonar Issues
96070f6 GH-1339: Fix RLErrorHandler with Conversion Ex. (#1346)
3b8fc2a GH-1341: Move Tx Synch Cleanup to a finally block
c5ee02d Fix a small typo in the documentation (DeclarationCustomizer -> DeclarableCustomizer) (#1342)
9137a36 CachingCF Threading Doc Polishing
cc0323a Try to escape build info values