[>] Update Script for Backtrack 5.

[sickness]

UPDATE version: 1.1

Changes:

* Added OpenVAS update.
* Added SickFuzz update.
* Added SSLStrip update.
* Removed Nessus update (replaced by OpenVAS).
* Addapted the script for BackTrack 5 R1.

Update it using the update function from the script or:

wget http://sickness.tor.hu/wp-content/uploads/2011/06/backtrack5_update.py