Site update.
New CopyTagger class.
Added HierarchyTagger.
Documentation update.
ReplaceTagger now supports regular expressions.
Made sure to preserve the file extension for better mime type detection
and added MS Visio mime types missing from tika config.
Up-to-date.
AbstractCharStreamTransformer now enforces streaming as UTF8.
New SplitTagger to split values into multi-values based on a given
separator.
Split tagger now eliminate empty entries.
Now stores the content "family" for each documents as
"importer.contentFamily".  This is a higher level representation of a
file content types.
Updated Norconex Commons Lang to 1.4.0.
Prepare for release.