dpstate for non-ITG parsing
dparser for non-ITG parsing
shift-reduce-dp parser support non-ITG
remove unused flex dependency
various output format for gold standard
bug fix: buggy operations due to the swap action
Merge branch 'non-ITG' into reranking

Conflicts:
	example/train-mfold-kbest.sh
	src/include/lader/reorderer-runner.h
	src/include/shift-reduce-dp/config-runner.h
	src/include/shift-reduce-dp/parser.h
	src/include/shift-reduce-dp/shift-reduce-kbest.h
	src/include/shift-reduce-dp/shift-reduce-runner.h
	src/lib/parser.cc
bug fix: left/right child for swaped state