Rework of the optional manifest enhancement proposal:

[fgiloux]

• to use group/kind/namespace/name for identifying manifests instead of filenames
• adding graduation criteria
• adding test strategy
• clarifying the case of StatusReasonAlreadyExists

Signed-off-by: Frederic Giloux fgiloux@redhat.com

[fgiloux]

@joelanford @kevinrizza @perdasilva anything preventing this PR of getting merged?