Release of ClockBound 3.0.0-alpha.1.

* Update client logic to align 'free-running' definition with daemon (60 seconds of stale shared memory segment instead of 5).
* Improved ShmError messages.
* Fix to local stratum interpretation during initialization.

ClockBound 3.0.0-alpha.0

Alpha release of ClockBound 3.0

* clockbound daemon no longer requires chronyd running on the system to provide clockbound API
* clockbound daemon now disciplines the system clock, allowing it to run as the system clock synchronization daemon
* clockbound daemon synchronizes the clocks by using a feed-forward clock synchronization algorithm
* clockbound client no longer uses the system clock. It gets all information directly from the clockbound daemon
* clockbound daemon now recovers faster after clock disruption events
* clockbound daemon now automatically synchronizes NTP sources from the Amazon Time Sync Service
* clockbound daemon now automatically synchronizes to the PHC device from the ENA driver
* Add a tester feature for deterministic replay of the clock sync algorithm
* Removed most command line parameters from clockbound daemon. Daemon now auto-detects system features to be plug and play