Upgrade to Maven Javadoc plugin 2.10.1

Release Notes - Maven Javadoc Plugin - Version 2.10

** Bug
    * [MJAVADOC-351] - Javadoc:fix fixTags parameter doesn't support 'return' value
    * [MJAVADOC-371] - Goals missing from overview page
    * [MJAVADOC-372] - Index page should refer to Apache Maven for at least the first mention
    * [MJAVADOC-386] - Documentation links to oracle web site are broken
    * [MJAVADOC-394] - javadoc is not found properly by default under Oracle's JDK 7+ on Mac OSX
    * [MJAVADOC-398] - Classes from build output directory can cause failure

** Improvement
    * [MJAVADOC-376] - please add property 'maven.javadoc.classifier'
    * [MJAVADOC-380] - Add Maven version used to Created-By entry in manifest
    * [MJAVADOC-395] - Add JDK8 support to maven-javadoc-plugin
    * [MJAVADOC-403] - MavenProject/MavenSession Injection as a parameter instead as a component.

** New Feature
    * [MJAVADOC-369] - New goals javadoc-no-fork and test-javadoc-no-fork which will not invoke generate-*-sources

Release Notes - Maven Javadoc Plugin - Version 2.10.1

** Bug
    * [MJAVADOC-406] - Regression: MJAVADOC-398 commit changed wrong line
    * [MJAVADOC-407] - Cannot parse annotations when generating javadoc 
    * [MJAVADOC-411] - Package does not exist warnings
    * [MJAVADOC-416] - java.lang.ClassCastException: com.sun.tools.javadoc.ClassDocImpl cannot be cast to com.sun.javadoc.AnnotationTypeDoc

** Improvement
    * [MJAVADOC-412] - Update version of plexus-archiver to 2.5