5.2.8 software release, incl Spring Boot Upgrade

What's Changed

• Duplicate accessioning fix by @dipayan1985 in #555
• BSD release 5.2.5 by @dipayan1985 in #556
• Release 5.2.5 release candidate fixes by @dipayan1985 in #557
• Master by @dipayan1985 in #558
• Setting write concern to 1 to get ACK from one server in the cluster by @dipayan1985 in #559
• Bsd 2210 phenopacket improvements to new spec by @theisuru in #560
• curationdomain documentation by @theisuru in #561
• EBI search pipeline fix by @dipayan1985 in #562
• Bump jsoup from 1.8.3 to 1.14.2 in /webapps/core-v2 by @dependabot in #529
• Bulk fetch and bulk accession logging improvements by @dipayan1985 in #564
• BSD release 5.2.6 by @dipayan1985 in #565
• Refactoring and clean-up of mainly NCBI pipeline, some excess deps cl… by @dipayan1985 in #566
• Remove SampleConversionControllerAdvice from commons and put it in ut… by @dipayan1985 in #567
• Bsd 2221 by @dipayan1985 in #568
• Fix bug related to curation submission and certification with webin a… by @dipayan1985 in #569
• Fixes to ENA pipeline by @dipayan1985 in #571
• Improvement to NCBI load from ERAPRO where submitter id namespace is … by @dipayan1985 in #572
• Bsd 2221 by @dipayan1985 in #573
• Upgrade to spring boot 2 by @dipayan1985 in #563
• BSD release 5.2.7 by @dipayan1985 in #574
• Dev -> Master for 5.2.7 release by @dipayan1985 in #575
• BSD-2226+BSD-2227+BSD-2228 by @dipayan1985 in #576
• Oracle deps downport by @dipayan1985 in #577
• BSD release 5.2.8 by @dipayan1985 in #578

Full Changelog: v5.2.4...v5.2.8