Ticket #74 - Add schema for DNA plugin (RFE)
    
    Bug Description:  Add schema for DNA plugin
    
    Fix Description:  Created a new ldif file:  10dna-plugin.ldif for
                      the new schema.  In the code, we just needed to
                      replace extensibleObject withthe new objectclass
                      "dnaSharedConfig".  Also updated the makefile for
                      the new scheam file
    
                      Creating new bug for the admin guide doc changes.
    
    https://fedorahosted.org/389/ticket/74
    `