More efficient batch_parse for MaltParser
framenet.py: link together objects rather than storing pointers
framenet.py: Python 3 compatibility
Merge pull request #482 from nschneid/patch-6

framenet.py: link together objects rather than storing pointers; new propagate_semtypes() method
dropped duplicate content about framenet
Merge pull request #476 from wvanlint/master

More efficient batch_parse for MaltParser
precompiling word tokenizer
Merge pull request #487 from deanmalmgren/fix-treebank

word_tokenizer / TreebankWordTokenizer rather slow
Revert "precompiling word tokenizer"

This reverts commit 5a2066acc35fb91efe16605138937473f4dc1c0c.