util.Threading: fixing bug where we swallow exceptions in parallel computation
optimize: ParallelOnlineTrainer now works with BP
app.nlp.ner: More cleaning and tuning of NER3, obtains 0.9276 F1 on testa
Merge pull request #38 from alextp/clean-ner3

app.nlp.ner: More cleaning and tuning of NER3, obtains 0.9276 F1 on testa
app.nlp.mention: fixing bug in NerAndPronounMentionFinder
Merge branch 'master' of github.com:factorie/factorie
Tokenizer1, TokenNormalizer1: Better handling of ellipses, and HTML
special characters.
Change Infer trait to take less confusing arguments, while preserving
type arguments.
Recover README.md from deletion?
Merge branch 'master' of git@github.com:factorie/factorie.git
Tokenizer1: Fix order in which ellipsis pattern appears.
ProportionsVariable: removing unchecked warning
Make Model.factors(Iterable[Var]) the abstract base case rather than
Model.factors(Var).  This will enable more succinct efficient overriding
of Model unrolling.
Note that I have temporarily commented out the test for
DualDecomposition.  I'm getting an infinite loop somewhere I can't find.
Remove InferByEM.  Just use EMInferencer instead.
Merge branch 'master' of github.com:factorie/factorie
infer: fixing issues with DualDecompositionFactor
Model: Further efficiency improvements to factors/addFactors.
Merge branch 'master' of git@github.com:factorie/factorie.git
app.nlp.mention: adding one more catch-all rule to NerAndPronounMentionFinder
Additional UsersGuide documentation, especially in Overview.