[NEXUS-6626] Upgrade to HC 4.3.4
Add showInfo to master detail (similar to showWarning)
Merge pull request #564 from sonatype/NEXUS-6626-upgrade-to-hc434

REVIEW: [NEXUS-6626] Upgrade to HC 4.3.4
Remove upper bound of enforcer rule
Send all selected models on GridHasSelection evaluate function
Add showInfo to master detail (similar to showWarning)
Merge pull request #568 from sonatype/remove-mvn-30-enforces-rule

REVIEW Remove mvn3.0 enforcer rule
[NEXUS-6621] Include request.log in support zip (PR #567)
Change batch events to pass StorageItem instead of String
Set wrapper shtudown to 5 minutes
Remove nexus-h2-plugin and nexus-kazuki-plugin, add deps directly to nexus-core
[NEXUS-6617] Obfuscate passwords in support bundle (PR #571)

Conflicts:
	plugins/internal/nexus-atlas-plugin/src/main/java/org/sonatype/nexus/atlas/internal/SystemInformationGeneratorImpl.groovy
NEXUS-6647: Add "cached until" to NFC not found message
NX-390: avoid use of Require-Bundle
[NEXUS-6566] Replace use of ApplicationStatusSource with Provider<SystemStatus> (PR #565)
TEMP: provide deterministic start ordering during transition to non-embedded content (this should fix the couple of failing ITs seen on specific machines, and will be fixed properly as part of NX-485)
Removing unused BlobIdFactory/UUID-based impl.
avoid redundant member modifiers in interfaces
Merge pull request #574 from sonatype/remove-blobid-factory

REVIEW / TINY: Removing unused BlobIdFactory/UUID-based impl.
No need to mkdir, appdirs.getWorkDirectory(String) will ensure directory is created
Update m2e mapping for karaf plugin