Fixed bug in MEMM to make weights log-probabilities.
Fixed bug in MEMM to make weights log-probabilities.

ohjeyong/mallet,ohjeyong/mallet,lewg/Mallet,steveash/Mallet,RWArunde/Mallet,palm-toolkit/Mallet,zxsted/Mallet,lewg/Mallet,steveash/Mallet,RWArunde/Mallet,zxsted/Mallet,lewg/Mallet,palm-toolkit/Mallet,carschno/Mallet,steveash/Mallet,carschno/Mallet,ohjeyong/mallet,zxsted/Mallet,carschno/Mallet,RWArunde/Mallet