Adding TCP Fast Open support.

* Flip conditional for simplicity
* Indent lines
* Include Travis CI build status image & link

Run unit tests on Linux and OS X - root and non-root

Traceroute: fix graph

Move notebook to correct location

Scapy notebook tutorial

HomePlugAVuts fixed

Packet.copy(): copy the `time` property

IPv6 unit tests now work when IPv6 is not available

Fix EDNS0 live unit tests

Fix StreamSocket on OS X

This fix #162

DNS: follow the "default values that work" logic

wrpcap: accept packets from an `SndRcvList()` object

New read_routes6() function and unit tests

Check read_routes6() output

  - recursion desired (DNS.rd) defaults to 1
  - question defaults to IN A for www.example.com (DNSQR.qname)

Dict creation can be literal

List literal

Chained comparisons can be simplified

Default argument shouldn't be mutable

"Add" support for mDNS