Description of problem:
 We should fix the label for custom port configuration of on Summary screen. Currently there is: 

Port Configuration
Custom ports: on 
For standalone.xml: on/off
For domain.xml: on/off

but this is not accurate as more files is affected by ports configuration.

Version-Release number of selected component (if applicable):
 EAP 6.2.0.CR3

How reproducible:
 Always

Steps to Reproduce:
 1. Start gui installer, go to Socket Bindings screen using default values.
 2. Choose to "Configure custom port bindings". 
 3. Press 3x Next button to get to Summary screen.

Actual results:
Port Configuration
Custom ports: on 
For standalone.xml: off
For domain.xml: off

Expected results:
Port Configuration
Custom ports: on 
Standalone: off
Domain: off