NX-487: consolidate bootstrapping code, remove nexus-webapp, get Jetty conf working in Karaf
Add CapabilityRegistryEvent.Ready and fire this after bootstrap has loaded the registry.
Changed all booter support to use this event and become EventSubscribers and not @EagerSingletons.
Make EventSubscriberHost a LifecycleSupport sub-class and use start/stop.
Avoid pre-emptive string creation for logging.
fix sp
Restore firing of AfterLoad event, was changed to Ready by mistake
Merge pull request #604 from sonatype/capability-registry-ready

REVIEW: Capability registry ready event
Fix JS error on un-selecting a repository
Remove OBR legacy Ui
NX-486: remove nexus-test-environment-maven-plugin (replace with standard maven plugins plus interpolated configuration)
Manual merge of PR #606 from NEXUS-6650-nuget-proxy-403-master
Merge pull request #608 from sonatype/remove-legacy-ui-obr

REVIEW: Remove OBR legacy Ui
Merge remote-tracking branch 'origin/master' into NX-221-browse-storage