Merge pull request #34 from ppfliu/master

Fix some bugs in CSVDataFetcher.java
fixed sda test
removed reset() call on sentence iterator during train
more test cleanup
update asList() method in DataSet.java to speedup
revert softmax change, probability distribution seems to have smooted out on RNTNs, making note here: may need to work out row maxes in softmax function as opposed to columns, may have been cause of previous problems
revert softmax change, probability distribution seems to have smooted out on RNTNs, making note here: may need to work out row maxes in softmax function as opposed to columns, may have been cause of previous problems
added more tweet examples


Former-commit-id: 241aa510a7b48831a923623ac4ec1df5b092a4cc
added small tweet example


Former-commit-id: 16f6e27502f67528100b13457bd2872b10db9f35
cleanup


Former-commit-id: d0482bd365c746ab98958c36d539774c18a3f8ba
Merge remote branch 'upstream/master'