Ticket-4139, I have added a scheduled_date column to Order table and also the unit tests
This add a new class called OrderContext which has it's attributes with getters and setters
Follow up to TRUNK-4271
Merge pull request #759 from akshika47/Trunk-4139-1

Ticket-4139, I have added a scheduled_date column to Order table and als...
Moved OrderContext to another org.openmrs.api.OrderContext package - TRUNK-4271
Follow up to add javadocs for Order.scheduledDate getter and setter - TRUNK-4139
Add OrderTypeValidator - TRUNK-4311

Follow up
Removed orders section from admin page and cleaned up javadocs in OrderTypeValidator
Added license to OrderTypeValidator
Add mechanism that allows module and external code to register custom order number generators - TRUNK-4270

Follow up

Follow up
Updated tests that randomly fail when getting active orders after a revision to wait for a milli second
Applying auto format changes
TRUNK-4276 Changesets that convert units from text to concept should use a file and not a global property

created UpgradeUtil class; moved mapping function

Removed escaping the spaces from the properties file

Removed unused constant for units to concept mappings - TRUNK-4276

Added missing OpenMRS licenses - TRUNK-4276