Code cleanup.
Fixes to alignment intersection.
Adjusted chunk size in output jobs.
Switched backslash CCG labels to dominating-first.
Removed vocabulary extraction bottleneck.
Switched chunk size inflation in OutputJob back to a reasonable value.
Moved NT combining into the mapper, should yield better distribution across reducers and no vocabulary bloat.
Fixed distributed vocabulary bug.
Removed outdated paraphrase tools.
Features now stored via feature IDs and vocabulary. Somewhat cleaned up feature name/label system.
Properly formatted Scheduler code.
Added a head notion to the Vocabulary.
Added PivotingMapper.
Added AggregationMapper.
Merge pull request #4 from jganitkevitch/compact

Performance Improvements