Add basic kvm-frontend SR based on nodejs

slapos/recipe/kvm_frontend/template/logrotate_entry.in

+%(file_list)s {
+  daily
+  dateext
+  rotate 30
+  compress
+  notifempty
+  sharedscripts
+  create
+  postrotate
+    %(postrotate)s
+  endscript
+  olddir %(olddir)s
+}

software/kvm-frontend/instance.cfg

+[buildout]
+parts =
+  instance
+
+eggs-directory = ${buildout:eggs-directory}
+develop-eggs-directory = ${buildout:develop-eggs-directory}
+
+[instance]
+recipe = ${instance-recipe:egg}:${instance-recipe:module}
+node_binary = ${nodejs:location}/bin/node
+npm_binary = ${npm:location}/bin/npm
+openssl_binary = ${openssl:location}/bin/openssl
+dcrond_binary = ${dcron:location}/sbin/crond
+

software/kvm-frontend/software.cfg

+[buildout]
+extends =
+  ../../stack/nodejs.cfg
+
+parts =
+  template
+  node
+  npm
+
+  dcron
+  logrotate
+
+# Buildoutish
+  eggs
+  instance-recipe-egg
+
+# XXX: Workaround of SlapOS limitation
+# Unzippig of eggs is required, as SlapOS do not yet provide nicely working
+# development / fast switching environment for whole software
+unzip = true
+
+[instance-recipe]
+# Note: In case if specific instantiation recipe is used this is the place to
+# put its name
+egg = slapos.cookbook
+module = kvm-frontend
+
+[instance-recipe-egg]
+recipe = zc.recipe.egg
+python = python2.7
+eggs = ${instance-recipe:egg}
+
+[template]
+# Default template for apache instance.
+recipe = slapos.recipe.template
+url = ${:_profile_base_location_}/instance.cfg
+md5sum = 7686228221c684fe772d63a5fe581c74
+output = ${buildout:directory}/template.cfg
+mode = 0644