Add maven pom.xml
Move UDF tests on hivemall.tools to a more appropriate place
Add test of PassiveAggressiveUDTF. Remove trailing whitespace in LICENSE statements
Fix option handle for aggressive parameter C. Add test methods for PA1
Add tests to calculate learning_rate in PA1/PA2
No need to import a class that lives in the same package.
Simplify test code
Rename aggressiveness option
Merge pull request #23 from smly/feature/unit-test

Fix option handle for aggressiveness parameters in PA1/PA2 & Add UnitTests