Fixed an incorrect method name in fa.infer, and inconstencies about two local variables in icaMacKay.InferandLearn, as suggested by Zbyszek Szmek from MDP team.
Fixed an incorrect method name in fa.infer, and inconstencies about two local variables in icaMacKay.InferandLearn, as suggested by Zbyszek Szmek from MDP team.

andreamaf/glgm