Wraps plexus-utils, maven-repository-metadata, httpcore and httpclient into OSGi bundles
Adds OSGi bundle aether.boot (provides repository system as OSGi service)
Adds maven.aether.boot which provides VersionResolver as OSGi service (DefaultVersionResolver distilled from maven-aether-provider)
Fixes the bundle symbolic name from wrapped apache.httpclient/apache.httpcore
Updates aether.boot to use OSGi services provided from aether-impl and maven.aether.boot
Adds AetherJarSource an aether based implementation of the JarSource