Added start-stop-daemon support.

spec/resources/export/daemon/app-alpha-1.conf

@@ -0,0 +1,7 @@
+start on starting app-alpha
+stop on stopping app-alpha
+respawn
+
+env PORT=5000
+
+exec start-stop-daemon --start --chuid app --chdir /tmp/app --make-pidfile --pidfile /var/run/app/app-alpha-1.pid --exec ./alpha >> /var/log/app/app-alpha-1.log 2>&1