Change links tunefl.com => www.tunefl.com.

It has been decided to use the www subdomain, and to repoint the DNS
accordingly.
Maintain some external links, taking redirects into account.
Bump version to v1.1.3.
Deprecate RVM .rvmrc in favor of .ruby-gemset|version.

Hurrah for .ruby-gemset|version; a clean approach.
Unexample Procfile.

Commit the Procfile, making it work with Heroku, and removing the tail
of log/development.log.
Add missing trailing slashes to .gitignore.

Unlikely to cause issues, but... :)
Collapse CarrierWave/Fog env vars into FOG_CREDENTIALS.

In order to make the CarrierWave/Fog configuration more portable,
collapse FOG_PROVIDER,FOG_RACKSPACE_API_KEY,FOG_RACKSPACE_AUTH_URL,
FOG_RACKSPACE_USERNAME into FOG_CREDENTIALS - a JSON string.

Also rename FOG_HOST to ASSET_HOST.
Collapse Redis Resque env vars into RESQUE_REDIS_URL.

For the sake of cleaner and fewer env vars, collapse RESQUE_REDIS_HOST,
RESQUE_REDIS_PASSWORD,RESQUE_REDIS_PORT into RESQUE_REDIS_URL. Note that
this is set differently to the Redis server used for caching.
Rename env var REDISTOGO_URL to REDIS_URL.

This makes naming more consistent; there is no requirement that RedisToGo
be used.
Remove empty doc/ README.

The README to use is the one in the root of the repository.
Merge branch 'refactor' into develop