added a beam-size option to a-star decoding
Merge remote-tracking branch 'upstream/master'
add nbest option for astar decoding. result is the best prediction (using an oracle) from the list
clean-up of files, messed from bad git manip.
nbest works with pipe-lined mode; annodis experiments fully operational; messed cleaned-up
right config file for annodis experiment fixed
small refactoring of astar decoding
astar minor refactoring
begun two-stage model for astar decoder
Merge remote-tracking branch 'upstream/master'
FIX reset CONLL output across runs

I was systematically appending to the CONLL output file
instead of appending only on each section and writing to
reset
Merge pull request #3 from phimit/master

A* nbest and beam options
Avoid crashing on empty inputs