Switched learner from being a pointer to just a stack variable
Switched learner from being a pointer to just a stack variable

yoavg/cnn,yoavg/cnn,kamigaito/cnn,Peilun-Li/dynet,dhgarrette/cnn,Abasyoni/dynet,mitchellstern/dynet,cherryc/dynet,Peilun-Li/dynet,mitchellstern/dynet,cherryc/dynet,dhgarrette/cnn,Peilun-Li/dynet,dhgarrette/cnn,cherryc/dynet,Abasyoni/dynet,kamigaito/cnn,Abasyoni/dynet