remove scipy as requirement
remove scipy as requirement

tfmorris/dedupe,datamade/dedupe,01-/dedupe,dedupeio/dedupe,dedupeio/dedupe-examples,neozhangthe1/dedupe,pombredanne/dedupe,nmiranda/dedupe,pombredanne/dedupe,nmiranda/dedupe,davidkunio/dedupe,neozhangthe1/dedupe,01-/dedupe,davidkunio/dedupe,tfmorris/dedupe,dedupeio/dedupe,datamade/dedupe