massive reworking of command line interface

export/upstart/master.conf.erb

@@ -0,0 +1,13 @@
+pre-start script
+
+bash << "EOF"
+  mkdir -p /var/log/<%= app %>
+
+  <% engine.processes.keys.sort.each do |process| %>
+    <% 1.upto(concurrency[process]).each do |num| %>
+      start <%=app%>-<%=process%>-<%=num%>
+    <% end %>
+  <% end %>
+EOF
+
+end script

export/upstart/process.conf.erb

@@ -0,0 +1,5 @@
+stop on stopping <%= app %>
+respawn
+
+chdir <%= engine.directory %>
+exec <%= process.command %> >> /var/log/<%=app%>/<%=process.name%>-<%=num%>.log 2>&1