don't create so many new Integers
deleting unused files
cleaning up Decoding
massive refactor of argument identification to make it threadsafe
malt_to_conll bugfix
remove unnecessary tempDirectory param in Semafor.runServer and inline unnecessary method DataPrep.loadFeatureIndex
make Semafor.runParser multithreaded
big speedup for Decoding.getPredictions

use a persistent map for RoleAssignments to avoid copying the whole thing
stop as as soon as a candidate role filler can't improve the beam
inline some getters for a speed boost
more optimizations

memoize DependencyParse.getIndexSortedListOfNodes
refactor some duplicated calculations in FeatureExtractor
use Multimap instead of IntCounter in FeatureExtractor