Add proper handling for reverse proxies

Basic configuration options and filter

Add configuration options to template

Woops, we can't use filters

Qualify the name 'Tool'

Remove leftover 'self' argument
Changing repo name to SickRage
Updated incorrectly changed reference to Synology DS issue back to original
Merge pull request #360 from nightexcessive/feature/reverse-proxy

Add proper handling for reverse proxies
Merge pull request #384 from WebSpider/dev-namechange

Changing repo name to SickRage
Fixes for backlog search.
Fixes for downloading the same episode twice.
Fixes for caches.