fix javadocs error

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1642287 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-6031: Optimize TokenSources term vector to TokenStream

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1642297 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-6031: Rename TokenStreamFromTermPositionVector to TokenStreamFromTermVector

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1642298 13f79535-47bb-0310-9956-ffa450edef68
fix ant regenerate

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1642305 13f79535-47bb-0310-9956-ffa450edef68