added target-accuracy option that will be asserted if you specify
moved POS and NER directories to also support train and test data filtering
Merge pull request #72 from JackSullivan/merge-chain-command-line

Implementation of Chain models on the command line
updates to parser trainers to sample num sentences by portion
Merge branch 'master' of https://github.com/factorie/factorie into consistent-nlp-main-functions
small improvement to cl names
Merge pull request #73 from davidBelanger/consistent-nlp-main-functions

Consistent nlp main functions with ability to have accuracy-target tests
Fixed missing implicit random
Merge branch 'master' of https://github.com/factorie/factorie into merge-chain-command-line