Added a grunt task to fetch official list of valid TLDs and write them to update the URL regex (in the minified chat js file).

If anything in the task fails then it leaves the regex untouched.
Merge pull request #61 from xtphty/tld-regex-gen

Added a grunt task to fetch official list of valid TLDs
Adjusted the tld.fetcher.js to create the file each time, instead of regex.
Added tld.js to the chat.min.js pack.
Tweaked README.md
Added follow variable to embed/chat/ so that people can be forwarded to bigscreen after login.
Removed unneeded .htaccess files (dont wish to maintain this)
Version bump
Reddit/RedditAuthHandler.php now adds a 'User-Agent' header, as per Reddits recent policy change.