SOLR-3279: Maven configuration: exclude unused carrot2-core transitive dependencies: jfree:jcommon; org.apache.commons:commons-math; org.uncommons.maths:uncommons-maths; and xpp3:xpp3. (merge trunk r1427841)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1427847 13f79535-47bb-0310-9956-ffa450edef68