Changed 'w' to 'W' when saving weight matrices, and changed value of
self.errors so output in finetuning stage is finetune cost instead of
validation error (since we don't use a classifier)
Changed epoch values back to theano defaults
Merge branches 'master' and 'fix_weight_matrix_save'
Merge branch 'master' of https://github.com/S-E-D-A/SEDA-ML-Summarization