update config to take explicit redis configs

services/real-time/config/settings.defaults.coffee

@@ -1,24 +1,24 @@
 module.exports =
 	redis:
 		realtime:
-			host: process.env['REDIS_HOST'] or "localhost"
-			port: process.env['REDIS_PORT'] or "6379"
-			password: process.env["REDIS_PASSWORD"] or ""
+			host: process.env['REAL_TIME_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
+			port: process.env['REAL_TIME_REDIS_PORT'] or process.env['REDIS_PORT'] or "6379"
+			password: process.env["REAL_TIME_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
 			key_schema:
 				clientsInProject: ({project_id}) -> "clients_in_project:#{project_id}"
 				connectedUser: ({project_id, client_id})-> "connected_user:#{project_id}:#{client_id}"
 
 		documentupdater:
-			host: process.env['REDIS_HOST'] or "localhost"
-			port: process.env['REDIS_PORT'] or "6379"
-			password: process.env["REDIS_PASSWORD"] or ""
+			host: process.env['DOC_UPDATER_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
+			port: process.env['DOC_UPDATER_REDIS_PORT'] or process.env['REDIS_PORT'] or "6379"
+			password: process.env["DOC_UPDATER_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
 			key_schema:
 				pendingUpdates: ({doc_id}) -> "PendingUpdates:#{doc_id}"
 
 		websessions:
-			host: process.env['REDIS_HOST'] or "localhost"
-			port: process.env['REDIS_PORT'] or "6379"
-			password: process.env["REDIS_PASSWORD"] or ""
+			host: process.env['WEB_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
+			port: process.env['WEB_REDIS_PORT'] or process.env['REDIS_PORT'] or "6379"
+			password: process.env["WEB_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
 
 	internal:
 		realTime: