v1.18.0

Features

• The rtv -l flag has been deprecated and replaced with a positional
  argument, in order to match the syntax of other command line web browsers.
• NSFW content is now filtered according to the user's reddit profile
  settings.
• $RTV_BROWSER has been added as a way to set the preferred web browser.
• Sorting options for relevance and comments are now displayed on
  the search results page.
• An [S] badge is now displayed next to the submission author.
• The gfycat MIME parser has been expanded to support more URLs.
• New MIME parsers have been added for oddshot.tv, clips.twitch.tv,
  clippituser.tv, and Reddit's beta hosted videos.

Bugfixes

• Users can now use the prompt to navigate to "/comments/..." pages from
  inside of a submission.
• Users can now navigate to multireddits using the "/u/me/" prefix.
• Fixed the $BROWSER behavior on macOS to support the chrome,
  firefox, safari, and default keywords.

Codebase

• Travis CI tests have been moved to the trusty environment.
• Added more detailed logging of the environment and settings at startup.