Adds nginx-x-rid-header to all flavors. Closes # 10
Merge branch 'master' of github.com:/gplessis/dotdeb-nginx
Modules upstream update

chunkin-nginx-module
headers-more-nginx-module
nginx-cache-purge
nginx-echo
nginx-lua
nginx-push-stream-module
ngx_http_substitution_filter_module
Nginx 1.2.8 - Squeeze

  * New upstream release
  * Modules update
  * Adds X-rid header module to all flavors. Closes #10