[MJAVADOC-406] + [MJAVADOC-407] Regression by MJAVADOC-398

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627863 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-javadoc-plugin-2.10.1

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627867 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] rollback the release of maven-javadoc-plugin-2.10.1

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627876 13f79535-47bb-0310-9956-ffa450edef68
[MJAVADOC-407] Created IT

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627885 13f79535-47bb-0310-9956-ffa450edef68
Update dependencies.

Bring various dependencies up to more recent versions.
(ie site plugin, plexus-utils, maven-plugin-testing-harness, animal
sniffer, mojo signature).
Remove some unnecessary overrides in pom (maven plugin annotatinos &
modello-maven-plugin).
Now java 6 - add more support

Add missing overrides
Removed unused imports
Add list/array list types (ie ReportPlugin & String)