Merge pull request #35 from samanz/master

Fix small bug in Tokenizer1 that would cause early periods in section cause a crash
DocumentAnnotatorPipeline: Use some better default providers.
 Fix logic in dependency resolution.
NLP: Add coref1ner.
 Rename mention-type to mention-entity-type.
NER2: Print the parameter loading URL.
Tokenizer1: Improve apostrophe handling.
Tutorial01Introduction: Work on tutorial text and examples.
Merge branch 'master' of git@github.com:factorie/factorie.git
DocumentAnnotationPipeline: For coref.GenericEntityMap use
WithinDocCoref1Ner by default.
Updated installation instructions to match what works with master
Merge pull request #36 from zaxtax/master

Updated installation instructions to match what works with master
optimize: improving the smart gradient accumulator and online trainer
optmize: making WeightsMap.keys more efficient
Merge branch 'optimize-issue'
pom.xml: making a single snapshot version instead of unique ones
pom.xml: actually making a single snapshot version instead of unique ones
app.nlp.mention: NER mention finder now tries to catch all-caps words which NER missed
app.nlp: the document annotator pipeline now has a profile option, which print out stats about which annotators are taking the most time
app.nlp.segment: Adding a tokenizer which groups together tokens which form phrases
app.nlp.segment: Adding a class to collect bigram statistics and generate likely bigram and trigram phrases
Merge pull request #37 from alextp/phrase-tokenizer

Phrase tokenizer