mitmproxy==0.12.1 is a new w3af dependency

[andresriancho]

Current situation

• mitmproxy==0.12.1 is a new w3af dependency
• Kali currently has 0.11.3 in stable (see http://pkg.kali.org/pkg/mitmproxy)
• The latest mitmproxy is mitmproxy 0.13 and is in sana Kali version (is that the next version to be released?)

Actions

• [ ] Downgrade w3af requirement to 0.11.3 in a branch and run unittests
• [ ] Once unittests PASS tag the version so I can find and build it for Kali (uscan and all that)
• [ ] Create a new .deb using 0.11.3
• [ ] DO NOT merge the branch with mitmproxy==0.11.3 into develop nor master
• [ ] Create a task in w3af repository to upgrade develop to the latest mitmproxy, this will make the next Kali release easier