1.6.0 Backported Issues

[jira-importer]

• Support SHA-256 and SHA-512 as checksums #null
• Update Plexus Components #null
• Resume support is broken under high concurrency #null
• Update mockito-core to 2.28.2 #null
• Make checksum algorithms configurable #null
• Turn log messages to SLF4J placeholders #null
• Add page with all supported configuration options #null
• Introduce a Redisson-based SyncContextFactory #null
• Don't use boolean for property 'aether.updateCheckManager.sessionState' #null
• Use type conversions returning primitives #null
• Update HttpComponents #null
• Update Wagon Provider API to 3.4.0 #null
• ArtifactNotFoundExceptions when building in parallel #null
• Upgrade Sisu Components to 0.3.4 #null
• Remove synchronization in TrackingFileManager #null
• Upgrade SLF4J to 1.7.30 #null
• Move GlobalSyncContextFactory to a separate module #null
• Provide a global locking sync context by default #null
• Exclusion has no setters #null