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
removed spaces.
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.
Removed unused statements for better code readability.
Option help says bias clause is 1.0 by default, but it actually didn't
Simplify test code
fixed a bug in PA1a and PA2a that stddev was not calculated correctly.
fixed a comment for "bias" option.
Merged in hotfixes (pull request #5)

Fixed a bug in PA1a and PA2a
fixed a comment of "bias" option.
Merge pull request #24 from smly/feature/fix-bias-option-help

Option help says bias clause is 1.0 by default, but it actually didn't
Merge branch 'master' of https://github.com/myui/hivemall.git into github/master
code formatted and removed unnecessary imports.
Rename aggressiveness option
Merge pull request #23 from smly/feature/unit-test

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