mailmap: update .mailmap

Change-Id: I20841bcaf29a6be44999a4ee33f2c85e2a41a27d
Fix log-related tracebacks in nsx plugin

Closes-bug: 1279163

Change-Id: I2a6f0fdbd4d72b74c6a4329cb5e02d9d979705dd
Lowercase OVS sample config section headers

The "Sample Configurations" section of ovs_neutron_plugin.ini
has uppercased section headers.  In Havana the section headers
were normalized to lowercase, but the sample configs were never
updated.

Change-Id: Ic33392788317adcd6eb86caeef4f25aa4a3d10c8
Closes-Bug: #1279418
Merge "Lowercase OVS sample config section headers"
Merge "Fix log-related tracebacks in nsx plugin"
Merge "mailmap: update .mailmap"