Merge branch 'master' of git://github.com/CeON/CoAnSys
differences in features per record - exhaustive, aproximate, test cases
extract contrib given data UDF: parametr for skipping empty features
extractor new param
extractor param
pig extractor new parameters
extract documentdata for metadata check
mapextractor.pig fixed
Merge branch 'master' of git://github.com/pdendek/CoAnSys
Merge pull request #21 from wosiu/master

extractors