half way though: Add API methods for retrieving active orders -
TRUNK-4147
Follow up to add @since annotation and clean up the javadocs for Order.commentsToFullfiller - TRUNK-4242
TRUNK-4159 Add Orded OrderFrequency to the data model

TRUNK-4159 added fixes for comments as a result reviewing my previous commit

Removed default value of null from order_frequency.retired_by column - TRUNK-4159

Added javadocs for OrderFrequency class - TRUNK-4159
Throwing exceptions for invalid next order number global property -
TRUNK-4163
TRUNK-4156 - Add care_setting to orders table.
    Primary change is to add a new class called CareSetting as an attribute to Order.
    All test datasets have been modified to include this new attribute.
   Fixed EncounterServiceTest to add new care setting
Merge pull request #484 from vinayvenu/TRUNK-4156

TRUNK-4156 - Add care_setting to orders table.
Forward porting to 1.11.x: Enhancing SourceMySqldiffFile to be used from
command line - TRUNK-4186(cherry picked from commit 0d981acaf6c143d194917607f73752cf03a9f46e)