Add ESRconfig_object_type_t and field type in all objects. Pack object fields initialization in macro.
Was added json_get_by_idx
Refactoring for json_add
ESRconfig_object_type_t was added and used in debug,error tracings. In
field_init macro was added __cfg__ parameter. Flag for empy json
serialization was deleted, now all LIST elements will be serialized even
empty. Some other mistakes and bugs fixed.