Updating libezsp to v2.2.2

Upgrading to v2.2.1

Removing swap() operation on TimerBuilder instances

Add version getter to api (#57)

* Moving XNCP version storage into a dedicated class NSEZSP::EzspAdapterVersion
* Creating a getter API in libezsp to retrieve XNCP info (fw hw versions)
* Adding EZSP version details to EzspAdapterVersion class
* Implementing EzspAdapterVersion::toString() and using it as example in mainEzspTest

Removing SonarCloud warning on destructor (minor)

Adding support for Green Power devices filtering on source IDs direct…

…ly inside the EZSP firmware embedded in the dongle.

Also checking MIC against GP keys and only forwarding valid messages to the caller.
Manual GP commissionning is functional.
Offline (preset of source ID and keys) commissionning is function also.

Merge pull request #2 from masa-raritan/master

Make lib compatible with Raritan fw

Fixing executable path