NDS-634: Fixed DSpace spec/NDS-637: Removed ELK specs for now (#54)

* Fixed useFrom values

* NDS-637: Removing Kibana, Logspout, Logstash specs until future release

Author: craig-willis

dspace/dspace.json

@@ -27,12 +27,12 @@
         },
         {
             "name": "POSTGRES_USER",
-            "useFrom" : "postgres",
+            "useFrom" : "postgres.POSTGRES_USER",
             "canOverride": false
         },
         {
             "name": "POSTGRES_PASSWORD",
-            "useFrom" : "postgres",
+            "useFrom" : "postgres.POSTGRES_PASSWORD",
             "canOverride": false
         },
         {