#792 Add columns for registration IP and registration date

- Add columns for reg date and IP
- Rename "ip" to "last IP"

src/main/java/fr/xephi/authme/datasource/converter/AbstractDataSourceConverter.java

@@ -62,6 +62,7 @@ public abstract class AbstractDataSourceConverter<S extends DataSource> implemen
             } else {
                 adaptPlayerAuth(auth);
                 destination.saveAuth(auth);
+                destination.updateSession(auth);
                 destination.updateQuitLoc(auth);
             }
         }