More efficienctly handle Document.asSection and _sections.
Improved DocumentStore.  
Re-organized Cubbie and Slot infrastructure.
Using org.xerial.Snappy for int array compression.
Attempt at more efficient embedding/Vocabulary reading of Wikipedia.
Regex still has a stack overflow somewhere.
Improved LoadWikipediaPlainText seems to be working well now.
embedding.Vocabulary updated to use it.
LoadWikipediaPlainText: Remove unused code and other cleanups.
DocumentStore: Now seems to be working for Tokenization, Sentence segmentation, POS, parsing.
StackedChainNer: temporarily comment out WIKI*REDIRECT lexicons to reduce memory usage.
ParseTree: add bounds check for parents.
DocumentStore: Add coref annotation and additional printing.
Merge.
Move train-pos-ctb.sh to bin directory.
Merge branch 'master' of github.com:factorie/factorie
Merge branch 'master' of github.com:factorie/factorie
CategoricalDomain: Further cleanups to avoid double lookup.
Undo temporary change that avoided WIKI*REDIRECT lexicons.
nlp.embedding.Vocabulary: Add option (off by default) to randomly skip some words, for efficiency.
LoadWikipediaPlainText: Enlarge initial StringBuffer sizes.