Added que init script #2724

doc/que/README.md

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+Registry que server
+===================
+
+Que server responsibilites:
+
+*  handle write type of communication between Registrant and Registry
+*  handle future jobs for Registry
+*  handle heavy load jobs for Registry
+
+Installation
+------------
+
+Que can deploy either separaetly or along to Registry server depends on real load situation.
+In both serarious que requires working Registry deployment and full access to Registry databases. 
+
+Installation at deployed server:
+
+    cd /home/registry/registry/current
+    sudo cp doc/que/que-init-example /etc/init.d/que # and edit it
+    sudo chmod +x /etc/init.d/que
+    sudo /etc/init.d/que          # for help and other commands
+    sudo /etc/init.d/que start    # for manual start 
+    sudo update-rc.d que defaults # for start in server boot
+
+# Debugging
+
+You can run que manually as well:
+
+    cd /home/registry/registry/current
+
+For all manual que tasks:
+
+    RAILS_ENV=production bundle exec rake -T que    # for all que tasks for manual control
+    rake que:clear           # Clear Que's job table
+    rake que:drop            # Drop Que's job table
+    rake que:migrate         # Migrate Que's job table to the most recent version (creating it if it doesn't exist)
+    rake que:work            # Process Que's jobs using a worker pool
+
+For all que daemon tasks what inist script uses
+
+    RAILS_ENV=production bundle exec rake -T daemon # for all que daemon tasks what init script uses
+    rake daemon:que          # Start que script
+    rake daemon:que:restart  # Restart que daemon
+    rake daemon:que:start    # Start que daemon
+    rake daemon:que:status   # Status que daemon
+    rake daemon:que:stop     # Stop que daemon