Merge branch 'release/1.10.1' into develop
Fix typo: requied -> required
Merge pull request #506 from ryanbraganza/patch-1

Fix typo: requied -> required
Update README.rst
Add plugin for rtve.es live streams
Merge pull request #509 from jaimeMF/rtve

Add plugin for rtve.es live streams
Add plugin for seemeplay.ru (seemeplay).

Resolves #510.
Update AUTHORS.
Update CHANGELOG.rst.
plugins.seemeplay: Ignore placeholder videos on channels.
plugins.twitch: Handle videos with chunks that are missing URLs.
plugins.filmon: Update for service changes.

Resolves #514.
plugin: Handle streams from generators.
plugins.filmon: Add support for RTMP streams.

Resolves #515.
plugins.rtve: Check if the stream is available

Due to right restrictions some programs are not available from the Internet
Merge pull request #518 from jaimeMF/rtve

plugins.rtve: Check if the stream is available
plugin.api.http_session: Ignore some urllib3 warnings.
plugins.youtube: Add audio streams.

Resolves #522.
plugin: isgenerator() does not work on all types of iterators.
travis: Work around kennethreitz/requests#2192 to make tests pass.