Ticket 47668 - test: port ticket47490_test to Replica/Agreement interface (47600)
    
    Bug Description:
    	Ticket https://fedorahosted.org/389/ticket/47600 introduces new Replica/Agreement/Changelog interfaces.
    	This ticket is to take into account those changes into ticket47490 test case
    
    Fix Description:
    	Call enableReplication from Replica Class.
    	Call Agreement.create with properties
    
    https://fedorahosted.org/389/ticket/47668
    
    Reviewed by: Rich Megginson (thanks)
    
    Platforms tested: F17 / F19 (jenkins)
    
    Flag Day: no
    
    Doc impact: no