Added aliases for UDFs
Renamed the file name of addBias()
Added a notice
Removed unused dirs
Added a utility class converting Java primitive value to Hive values
Fixed UDFs to return Hive values instead of Java primitive values
because returning Java primitive values causes ClassCastException for a
certain case.
Added a signature for array_remove()
Added val(long v)
Changed hive version dependency to 0.12.0 or later
Changed the hive version dependency
Moved hivemall.tools.macros.SigmodUDF to hivemall.tools.math.SigmodUDF
Added rowid() and taskid() UDF
commented out println
Fixed for changes in the returning value
Updated to reflect recent changes
Merge pull request #62 from myui/hotfixes

Hotfixes