Merge pull request #245 from sonatype/NEXUS-6027-simplify-jetty-integration

REVIEW: [NEXUS-6027] simplify jetty integration
Merge branch 'master' into NEXUS-6027-remove-appcontext
Merge pull request #253 from sonatype/NEXUS-6027-remove-appcontext

REVIEW: [NEXUS-6027,NEXUS-5279] remove appcontext
Merge branch 'master' into NEXUS-6027-simplify-modules