* `Patch` can't be applied for non-regular type object (tombstones,
locks etc.)
* Complex object parts can't be patched. So, if an object has EC/Split
header, it won't be patched.
Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
* Split the logic of write target initialization to different packages;
* Refactor patch and put services: since both service initialize the target
themselves.
Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
* Also, resolve dependencies and conflicts for object service
by creating stub for `Patch` method.
Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>