Add better index to examples
Improve with.specialization documentation

* Make documentation refer to itself using internal links, not to arbitrary trees on github
* Some improved formatting
* Make links to running demo app live links
Fix link to configuration for kraken v1.0.0
Improve with.i18n documentation

* Fix links
* Remove obsolete mention of hacks to middleware stack for cookieParser
* Reformat
* Make links to running demo app live links