Post-v2.0.0
---------------------
+ - Log files now report times with millisecond resolution. (Previous
+ versions only reported whole seconds.)
v2.0.0 - xx xxx xxxx
* New "ofp-parse" for printing OpenFlow messages read from a file.
* New commands for OpenFlow 1.1+ groups.
- Added configurable flow caching support to IPFIX exporter.
+ - Dropped support for Linux pre-2.6.32.
v1.11.0 - 28 Aug 2013