adapt netlib.wsgi to changes in mitmproxy/mitmproxy#341
fix tcp.Address inequality comparison
set source_address if not manually specified
Merge branch 'master' into mitmproxy_issue_341
Merge branch 'master' into mitmproxy_issue_341

Conflicts:
	netlib/tcp.py
Merge pull request #48 from mitmproxy/mitmproxy_issue_341

Adjust netlib to mitmproxy changes