included Clockwork RNN
added Clockwork RNN and fixed bug
cwrnn: modifying for efficient computation
got rid of mlp.py and installed indices in constructor
modified clockwork RNN
Merge remote-tracking branch 'bartvm/word2vec_dataset' into word2vec_dataset

Conflicts:
	pylearn2/sandbox/rnn/models/rnn.py
modified and optimized clockwork rnn
Merge pull request #3 from jych/word2vec_dataset

Word2vec dataset