Version collector previously returned errors and logged them in the
calling code. It is cleaner to log inside version collector.
Change-Id: I52cb49a1ef53f3f1f51692ddb26ec095cfd0f100
This is part of change to split metainfo endpoint into smaller
files. It will be grouped by bucket/object/segment/other requests.
Tests will be split as a separate set of changes.
Change-Id: I9b097dcc8fa889f985b7f4ef5f8f435a1ff0ef95