fix a bug that screwed up HMM training introduced in shogun 0.5.0 (!)
fix a bug that screwed up HMM training introduced in shogun 0.5.0 (!)

lisitsyn/shogun,shogun-toolbox/shogun,besser82/shogun,karlnapf/shogun,Saurabh7/shogun,besser82/shogun,geektoni/shogun,lambday/shogun,lambday/shogun,Saurabh7/shogun,Saurabh7/shogun,shogun-toolbox/shogun,geektoni/shogun,sorig/shogun,besser82/shogun,shogun-toolbox/shogun,geektoni/shogun,lisitsyn/shogun,Saurabh7/shogun,lisitsyn/shogun,Saurabh7/shogun,karlnapf/shogun,shogun-toolbox/shogun,besser82/shogun,karlnapf/shogun,karlnapf/shogun,Saurabh7/shogun,besser82/shogun,lambday/shogun,karlnapf/shogun,lambday/shogun,lisitsyn/shogun,Saurabh7/shogun,shogun-toolbox/shogun,lambday/shogun,geektoni/shogun,geektoni/shogun,sorig/shogun,lisitsyn/shogun,sorig/shogun,Saurabh7/shogun,shogun-toolbox/shogun,sorig/shogun,Saurabh7/shogun,sorig/shogun,geektoni/shogun,karlnapf/shogun,sorig/shogun,lambday/shogun,besser82/shogun,lisitsyn/shogun