reproduce saving hyp graphs, removing obsolete functions
reproduce saving hyp graphs, removing obsolete functions

EdinburghNLP/nematus,Proyag/nematus,Proyag/nematus,cshanbo/nematus,rsennrich/nematus,Proyag/nematus,EdinburghNLP/nematus,rsennrich/nematus,EdinburghNLP/nematus,rsennrich/nematus,EdinburghNLP/nematus,cshanbo/nematus,rsennrich/nematus,cshanbo/nematus,cshanbo/nematus,Proyag/nematus,cshanbo/nematus,EdinburghNLP/nematus,EdinburghNLP/nematus,rsennrich/nematus,Proyag/nematus,Proyag/nematus,cshanbo/nematus,rsennrich/nematus