start to work on wapiti integration - loading library
wapiti mac lib
working on wapiti
new wapiti models
header model
add dependencies and java version information
Fixing affiliation-address runReflow() method. Still not clear whether fixing was correct...
minor pom.xml wapiti dependencies
Adding a simple Segmentation model for high level segmentation of a document.
Correct the number of instances issue.

Error with the StringTokenizer applied on the CRF labeled result fixed.
vz training data file for citations
some comparison numbers of wapiti and crfpp
Improvement of the segmentation model and more training data.
making document usage thread-safe
minor
Merge branch 'wapiti' of https://github.com/kermitt2/grobid into wapiti
grobi property for wapiti crfpp engine
date model for crfpp
refactoring to make model stateless
making private fields in Document. Switching from ArrayLists to Lists