Add verb and preemption for scheduler extender
Update bazel
Use simple preemption in extender
Use node name instead of v1.Node
Fix support method
Fix preemption dup
Remove uneeded logics
Remove nodeInfo from param to extender
Update bazel for scheduler types
Mock extender cache with nodeInfo
Add nodeInfo as extender cache
Choose node name or node based on cache flag
Always return meta victims in result
This moves plugin/pkg/scheduler to pkg/scheduler and
plugin/cmd/kube-scheduler to cmd/kube-scheduler.
Bulk of the work was done with gomvpkg, except for kube-scheduler main
package.
