NX-364: Remove enunciate, step1

Removes enunciate profile (doco generation)
and enunciate.xml files (triggering the profile)
and dependencies in general, except from restlet1x
plugin

Java sources untouched yet.
NX-364: Remove enunciate, step2

removed enunciate completely as dependency,
removed annotation from sources, while
fixing method signatures where appropriate
(almost everywhere).
NX-364: Remove enunciate

Removed all the DocumentationBundles from OSS,
and removed deprecated AbstractDocumentationResourceBundle
while the DocumentationBundle interface and
DocumentationBundleSupport left in place.

Also, related IT modified to NOT check for documentation
while we do not have one.
Merge pull request #464 from sonatype/nx-364-remove-enunciate

NX-364: Remove enunciate