Renamed methods for better intuitivity

src/net/java/sip/communicator/service/contactlist/MetaContact.java

@@ -65,7 +65,7 @@ public interface MetaContact
      * in the containing <tt>MetaContactList</tt>
      * @return String
      */
-    public String getMetaContactID();
+    public String getMetaUID();
 
     /**
      * Returns a characteristic display name that can be used when including

src/net/java/sip/communicator/service/contactlist/MetaContactGroup.java

@@ -69,7 +69,7 @@ public interface MetaContactGroup
     /**
      * Returns the contact with the specified identifier
      * @param metaContactID a String identifier obtained through the
-     * <tt>MetaContact.getMetaContactID()</tt> method.
+     * <tt>MetaContact.getMetaUID()</tt> method.
      * <p>
      * @return the <tt>MetaContact</tt> with the specified idnetifier.
      */