Merge pull request #17 from wosiu/master

EXTRACT_CONTRIBDATA_GIVENDATA done
code for calculating separating hyperplane = calculating feature weights and a few more things
Merge branch 'master' of ssh://github.com/pdendek/CoAnSys
Fixed issues reported by Sonar.
Merge pull request #18 from wosiu/master

*AND timer thread deleted; add statistics parametr to pig scripts, workflow, UDFs
Merge branch 'master' of git://github.com/CeON/CoAnSys