Allow clients to determine the difference between create or update on PUT

PUT allows an object to be created (http 201).  This allows REST code to
indicate an object has been created and clients to react to it.

APIServer now deals with <-chan RESTResult instead of <-chan runtime.Object,
allowing more data to be passed through.
Fix reflect panic in runtime/conversion

Fixes `panic: reflect: call of reflect.Value.Type on zero Value`
when calling conversion.EnforcePtr() or
runtime.Scheme.ObjectVersionAndKind() from default type switch.

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>
Handle nil values in conversion.EnforcePtr()

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>
Use conversion.EnforcePtr() where appropriate

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>
Added /_whoami and integration test for auth(z|n)

Added new endpoint /_whoami for debugging authentication.
Added integration test which checks that a user is authenticated
using token authentication.
Rearranged initialization of authenticator to support preceeding.
Merge pull request #2016 from erictune/whoami

Added /whoami and integration test for authorization.
Merge pull request #1782 from smarterclayton/allow_put_to_set_create

Allow clients to determine the difference between create or update on PUT
Update fedora manual guide to call out single minion restriction

Update the pod json to use hostPort as the curl test at the end uses
'loclahost'
Build local go components as well as a release
fix build
Merge pull request #2036 from lavalamp/fix4

fix build
Merge pull request #2033 from eparis/fedora-manual

Update fedora manual guide to call out single minion restriction
Add container garbage collection.
Merge pull request #2035 from lavalamp/fix3

Build local go components as well as a release
small docs fixes
expose ParseWatchResourceVersion for downstream use
Merge pull request #2001 from VojtechVitek/fix_scheme_panic

Fix reflect panic in runtime/conversion
Merge pull request #2022 from brendandburns/gc

Add container garbage collection.
Always check default-internal firewall absent or not; if not, create it
anyway.
A Docker image for Kibana designed to work with Kubernetes logging