fixed bug TDQ-9703 some issue about column analysis under java engine
 
 1.benford law can not run well in java engin.
 2.limit is invalid for "Invalid Region Code Count" indicator.
 3.limit is invalid for "Date Pattern Frequency Indicator".
 4.column analysis drill down menu is can not popup when right click on
the chart in sql engin.
 5.add junit for frequency indicator
Merge branch 'maintenance/5.6'