Use immutable SortedSet in DependencyGraph.
Handle empty strings for Malt Parser.
Fix breeze artifact id.
Added SimpleEnglishTokenizer to breeze tokenizers.
Use supplied text in DependencyGraph factory.
MaltParser postagger is modular.
Sentencers are now segmenters.  Segmenters keep track of the character offset.
Added apply methods.
Added a cleaner error message for when the Malt Parser model cannot be found.
MorphaStemmer is a singleton.
Changed package from 'segmenter' to 'segment'.
Rename package in breeze.
Fixes.
Use correct tokenizer in SimpleEnglishTokenizer.
Increment common-scala, specs2, unfiltered in parent.
Increment stanford to 1.3.4.
(release)prepare release nlptools-parent-2.3.0
(release)prepare for next development iteration
Use 2.3.0 parent.
Use full path for packages.