Use HEAD when viewing Object details

GET operation downloads the whole object, replaced the call
with HEAD which already contains the object metadata.

Change-Id: I87e1145d9571013db3dd87c3386d0dd66da3f012
Closes-bug: 1236681
Use HEAD when retrieving Container details

Change-Id: I0bb41bbf2ec8b0a515aa8a9ee9eba63761a60122
Closes-bug: 1236677
Updated from global requirements

Change-Id: I4f26d3a8790c799e5c1f7f81031406e0c57545f9
Merge "Use HEAD when viewing Object details"
Merge "Use HEAD when retrieving Container details"
Merge "Updated from global requirements"