implement ui and rest API for setting up node services

• Type: Improvement
• Resolution: Fixed
• Priority: Major
• Fix Version/s: 4.0.0
• Affects Version/s: 4.0.0
• Component/s: ns_server
• Security Level: Public
• Labels:

  None

For Gerrit Dashboard: MB-12564
#	Subject	Branch	Project	Status	CR	V
42868,2	MB-12564: introduced internal api for list of node services	master	ns_server	Status: MERGED	+2	+1
42869,2	MB-12564: changed bucket_info_cache to get services from config	master	ns_server	Status: MERGED	+2	+1
42870,2	MB-12564: added services support to addNode and join cluster APIs	master	ns_server	Status: MERGED	+2	+1
42871,2	MB-12564: implemented basic ui for adding server with services	master	ns_server	Status: MERGED	+2	+1
42872,3	MB-12564: start moxi and niql service based on node's services	master	ns_server	Status: MERGED	+2	+1
42873,3	MB-12564: only include kv nodes into bucket's servers list	master	ns_server	Status: MERGED	+2	+1
42874,3	MB-12564: disallow failing over last kv node	master	ns_server	Status: MERGED	+2	+1
42875,3	MB-12564: disallow rebalancing out last kv node	master	ns_server	Status: MERGED	+2	+1
42876,3	MB-12564: compute balancedness of only kv nodes	master	ns_server	Status: MERGED	+2	+1
42877,3	MB-12564: added /node/controller/setupServices endpoint	master	ns_server	Status: MERGED	+2	+1
42878,3	MB-12564: added ugly UI for setting up initial node services	master	ns_server	Status: MERGED	+2	+1
42881,3	MB-12564: added services list node infos in REST API	master	ns_server	Status: MERGED	+2	+1
42899,10	MB-12564: initial UI for node services	master	ns_server	Status: MERGED	+2	+1
42934,3	MB-12564: consider only kv nodes for sample buckets quota check	master	ns_server	Status: MERGED	+2	+1
42935,3	MB-12564: consider only kv nodes for num_replicas warnings check	master	ns_server	Status: MERGED	+2	+1
42936,3	MB-12564: only count kv nodes for bucket's summary	master	ns_server	Status: MERGED	+2	+1
42937,3	MB-12564: send crud attempt requests only to bucket nodes	master	ns_server	Status: MERGED	+2	+1
43145,4	MB-12564: added api.txt description for service-ful node addition	master	ns_server	Status: MERGED	+2	+1