Gemfile: move to rails ~> 3.1.10 (CVE-2012-6496,CVE-2013-0155,CVE-2013-0156), update Gemfile.lock (fixes #14)
remove usage of Comment.accessible_by (fixes #12)
Fix example JS code (fixes #11)
Add FastCGI support
Group database adaptors mysql/postgresql/sqlite
Fix activerecord order call
fix path handling for subdir mounting
Use common api javascript/css as assets

 * assets can be cached forever (checksummed filenames)
 * users can overwrite css by including an element with id="juvia-api-css"
Add comment order for sites
Render comments with site model (prepare to make render engine configurable)