refactor adminport to make it more generic and flexible
fix racing
Merge branch 'master' of https://github.com/ysui6888/indexing

Conflicts:
	secondary/projector/kvfeed.go
performance fix
Merge branch 'master' of https://github.com/ysui6888/indexing

Conflicts:
	secondary/projector/kvfeed.go
fix merge error