Add obfuscated ssh feature to the PuTTYTray

An SSH SOCKS proxy is perfect proxy when you want to hide you tracks. However, some environments have deep packet inspection (DPI) equipment in place that blocks or throttles all encrypted online communications, rendering your secure SSH useless. 

This obfuscated feature can protect your ssh connection be detected by DPI equipment, it's very useful in some country like Iran.

See the following links:

https://github.com/brl/obfuscated-openssh/blob/7288432890c63dc228afe6c61e6343b72ef30962/README.obfuscation