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
NX-390: avoid use of Require-Bundle
NX-390: fix P2 runtime imports
NX-390: bcprov-jdk15on should not be embedded
NX-390: clean up plugin activation
NX-390: avoid embedding duplicates of javax specs, and fix maven-model split-pkg