New comments and TODO notes.
Merge.
New trait TypedTensorVar; DiscreteTensorVar and CategoricalTensorVar now inherit from TypedTensorVar[Tensor1].  TensorVar, MassesVar and ProportionsVar no longer have a domain.
reducing time in the gaussian mixture demo
Assignment: rename globalize to setVariables.  Various improvements to comments.
Merge.
Token default string set to section substring
Assignment: rename globalize to setVariables.  WithinDocCoref1: Make is serializable and trainable in the standard ways.  Various improvements to comments.
Merge.
lexicon.OrgSuffix: use PhraseLexicon since it has multi-word entries.
WithinDocCoref1: Temporarily turn on ParameterAveraging because it causing crash.
switched to using linkedHashSets in CorefGazetteers, per Sameer's rec.
ace-loader: fix too many open files error
Token.docString: Undo last change by Sam.  Fix bug in positionInSentence
Make lazy DocumentAnnotators work.  Fix double loading of DepParser2 in NLP.  ParseBasedMentionFinding: Filter Mentions that do not have an assigned MentionType.  Get WithinDocCoref1 working with NLP pipeline and with new text.
Automated merge with https://factorie.googlecode.com/hg