Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/redis/templates/default/default_redis-server.erb

@@ -0,0 +1,12 @@
+# redis-server configure options
+
+# ULIMIT: Call ulimit -n with this argument prior to invoking Redis itself.
+# This may be required for high-concurrency environments. Redis itself cannot
+# alter its limits as it is not being run as root. (default: do not call
+# ulimit)
+#
+<% if node["redis"]["ulimit"] && !node["redis"]["ulimit"].empty? %>
+ULIMIT=<%= node["redis"]["ulimit"] %>
+<% else %>
+# ULIMIT=65536
+<% end %>