Hotlinking include

Right include for hotlinking_protection.conf
Merge pull request #89 from RuZniki/patch-1

Hotlinking include
Added x-forwarded-proto support for https incase of loadbalanced env
added map_https_forwarded_proto.conf file
minor indendation fixed
Merge pull request #92 from smoneyan/D7

Added x-forwarded-proto support for https incase of loadbalanced env
* Fixed the incorrect server names in valid_referers directive. Thx EDanee.
* Fixed hotlinking protection inclusion.
* IPv6 fixes.
* README updated.
* IPv6 default server vhost fixed.
* Typo fix.
* SPDY support added.
* Fix SPDY listen directive comment.
* Fixed utf-8 charset.
* Fixed problem with HTTPS FCGI parameter.
* Updated the escaped setup to reflect new Lua module. Thx trankzen.
* New placement of escaped URI config.
* Removed file for escaped URI setting.
Put $scheme in the cache key.

This ensures that HTTP and HTTPS pages are cached separately. This is
especially important when Drupal is using a module like securepages,
where /user on the HTTP side will just be a redirect to the HTTPS
version of the login form.