run LoadWordCount successfully
make time interval to month
redesign HBase schema, new schema with each day as a column family, each interval within 5 minutes as a column
redesign HBase schema, each day is a column qualifier, each value entry is a int array with size as 12*24
Merge branch 'master' of github.com:Jeffyrao/twitter-tools into pig
Added IsMap UDF.
Few more UDFs.
Updated project settings.
Merged in Pig features: should be considered experimental.