Doxia 1.4 released

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1476508 13f79535-47bb-0310-9956-ffa450edef68
upgrade to doxia 1.4

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1476808 13f79535-47bb-0310-9956-ffa450edef68
upgrade plexus-interpolation to 1.16

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1476827 13f79535-47bb-0310-9956-ffa450edef68
[MPDF-61] Change Maven prerequisite to 2.2.1 

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1477262 13f79535-47bb-0310-9956-ffa450edef68
remove unused declared dependencies: commons-logging:commons-logging:jar:1.1.1:compile

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1477264 13f79535-47bb-0310-9956-ffa450edef68
Apply generics

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1477346 13f79535-47bb-0310-9956-ffa450edef68