Windows: fix version detection from git

Python 3: fix an often-failing test

Fix BERcodec_STRING

Dot11: fix .summary() with a binary SSID

sendrecv: code clean-up

RDataField treats NS, CNAME as DNS string type.

Doc maintenance

For some reason, it may happen on Travis CI (specifically with
Python 3) that port numbers are not resolved to service names. This
fixes a test that fails in this case.

[Windows] Guess metrics when InterfaceMetric is not available

Fallback on CMD when powershell is not available

Fix #791 - Throw an exception when tcpreplay can not be executed

Add PyPI badges

Fix #1028

Rename HomePlugAV files to homeplugav

Attempt to fix #1001

Support old IPython versions

Documentation link moved to another section

Appveyor py3

[Python 3] Update doc

Fix get_if_list() undefined error when importing in Windows without winpcap