Livestreamer

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Plugins:
- Twitch/Justin.tv: Fixed possible crash on Python 3.
- Ilive.to: HTML parsing fixes by Sam Edwards.

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CLI:
- Major refactoring of the code base.
- Now respects the XDG Base Directory Specification.
Will attempt to load config and plugins from the following paths:
- $XDG_CONFIG_HOME/livestreamer/config
- $XDG_CONFIG_HOME/livestreamer/plugins/
- The option --quiet-player is now deprecated since
it is now the default behaviour. A new option --verbose-player
was added to show the player's console output.
- The option --cmdline now prints arguments in quotes.
- Print error message if the player fails to start.

Plugins:
- Added a cache plugins can use to store data
that does not need to be generated on every run.
- Added Azubu.tv plugin.
- Added owncast.me plugin by Athanasios Oikonomou.
- Youtube: Updated for HTML changes.
- GOMTV.net:
- Fixed incorrect cookie names
- Stream names are now more consistent
- Added support for Limelight streams
- Twitch/Justin.tv:
- Fixed SWF verification issues
- The HLS streams available are now higher quality

Streams:
- Minor improvements and fixes to HDS.

Bug fixes:
- Properly fixed named pipe support on Windows.

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CLI:
- Attempt to find VLC locations on OS X and Windows.
- Added --stream-priority parameter.
- Added --json parameter which makes livestreamer output JSON,
useful for scripting in other languages.
- Handle player exit cleaner by using SIGPIPE.

Plugins:
- UStream: Now falls back on alternative CDNs when neccessary and added
support for embed URLs.
- Added ilive.to plugin by Athanasios Oikonomou.
- Added cast3d.tv plugin by Athanasios Oikonomou.
- streamingvideoprovider.co.uk: Added support for RTMP streams.
- GOMTV.net: Major refactoring and also added support Adobe HDS streams.
- SVTPlay: Added support for Adobe HDS streams.
- Twitch/Justin.tv: Some minor tweaks and fixes.
- Ongamenet: Update to URL and HTML changes.
- Livestream.com: Update for HTML changes.

Streams:
- Minor improvements and fixes to HLS.
- Added support for Adobe HDS streams.

General:
- Removed cache parameter from default player, since they do not work
on older versions of VLC.
- Added meta-stream "worst".
- Removed sh dependancy and embeded pbs instead.

Bug fixes:
- Fix named pipes on Windows x64.

API:
- Added optional priority argument to Plugin.get_streams.
- Improved docstrings.

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CLI:
- Added --ringbuffer-size option.

Plugins:
- Fixed problem with UStream plugin and latest RTMPDump.
- Added freedocast.com plugin by Athanasios Oikonomou.
- Added livestation.com plugin by Athanasios Oikonomou.
- Added mips.tv plugin by Athanasios Oikonomou.
- Added streamingvideoprovider.co.uk plugin by Athanasios Oikonomou.
- Added stream plugin that handles URLs such as hls://, rtmp://, etc.
- Added yycast.com plugin by Athanasios Oikonomou.

Streams:
- Refactored the HLS stream support.

General:
- Bumped requests version requirement to 1.0.
- Bumped sh version requirement to 1.07.

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CLI:
- Added --rtmpdump-proxy option.
- Added --plugin-dirs option.
- Now automatically attempts to use secondary stream CDNs when primary fails.

Plugins:
- Added Dailymotion plugin by Gaspard Jankowiak.
- Added livestream.com plugin.
- Added VOD support to GOMTV plugin.
- Twitch plugin now finds HLS streams.
- own3D.tv plugin now finds more CDNs.
- Fixed bugs in Youtube and GOMTV plugin.
- Refactored UStream plugin.

Streams:
- Added support for AkamaiHD HTTP streams.

General:
- Added unit tests, still fairly small coverage though.
- Added travis-ci integration.
- Now using python-sh on *nix since python-pbs is deprecated.