Please abuse my proto-refactor branch while I'm gone

[Daniel Franke]

Updates to previous status:

* Successfully tested authentication.
* Fixed a nasty bug in extension parsing. This was found by
inspection; the feature is still not tested.
* Replaced the missing call to record_raw_stats().

On 7/8/16, Daniel Franke <dfoxfranke at gmail.com> wrote:
> Current status is as follows:
>
> Implemented and successfully smoke-tested:
> * Client mode
> * Server mode
> * Control mode (ntpq)
> * Pool mode
>
> Implemented but completely untested (I may tick a few things off this
> list before the end of the day):
> * Authentication
> * Parsing packets which contain extension fields
> * Symmetric active/active mode
> * Manycast mode
> * Rejection of bogus replies
> * Proper application of 'restrict' lines
>
> Unimplemented:
> * Symmetric passive mode
> * Multicast/broadcast client mode
> * MS-SNTP
> * Interleaved mode (deliberately removed)
>
> Known regressions:
> * Missing call to record_raw_stats()
> * Some system counters aren't being updated (e.g., sys_newversion,
> sys_oldversion)