IdStory Identity Manager

It's possible to save extended attributes together with entity, which owns them in one request. Configured authorization policies are checked for given eav values.
Events was added for saving extended attributes (~ form instances UPDATE) - it's possible to listen, when some extended attributes is changed (by form instance ~ definition).

Doc:
https://wiki.czechidm.com/devel/documentation/architecture/dev/events#event_types
https://wiki.czechidm.com/devel/documentation/architecture/dev/events#formablesaveprocessor

Commit:
https://github.com/bcvsolutions/CzechIdMng/commit/66c05424ba3716e81edfdfe9d20d45dc3427f2bf

Could you do a review please? I'll create some tutorial, how to use it on FE after review, here is the snippet for PATCH identity:

{
   "id": "5436926f-69fd-4e67-981a-a4c2d952f457",
   "_eav": [
       {
           "formDefinition": {
               "code": "myform" 
           },
           "values": [
               {
                   "formAttribute": "2890dc09-d2ba-4c13-ac0c-d4308f1d7d19",
                   "stringValue": "phoneOness" 
               }
           ]
       }
   ]
}

Note: I'll try to simplify "formAttribute" in future - code can be given instead (the same as for "formDefinition" - default is used, if no definition is given).

Nice, I use this feature in generated values and works as I except. When I created identity by REST is checked permissions - this right behavior. When I setup generator for adding default values, is not checked permissions. I will add information about this into documentation for generated values.

Now is possible create identity with eavs. Thank you for implement this feature.