Removed duplicate classifier classes.
Removed the secondary, unused BooleanFeatureSet.
Merge pull request #2 from schmmd/cleanup

Remove some unused classes.
HtmlSentenceExtractor is not thread safe.
Added detailed timing information to CommandLineReVerb.
Merge pull request #3 from schmmd/timing

Added a command line option -t that gives detailed timing for chunking an extracting.
Use Joiner.on instead of StringUtils.join.
Use morpha as a dependency.
Cleanup whitespace.
Merge pull request #4 from schmmd/cleanup

Cleanup
Clean up R2A2 code.
Use StringBuilder to replace prolific String concatenation.
Correct return style.
Use a much faster method of tokenizing subsequences for use by
OpenRegex.
Use foreach notation.
Sped up reading the dictionary file by precompiling the split pattern.
Replace capture groups with non-capture groups in patterns.
Merge pull request #5 from schmmd/r2a2

Clean up and simple optimizations to r2a2 code
Allow models to be loaded from a URL.
Added code to train and execute confidence functions using OpenNlp.