Merge branch 'hotfix/docs-vlc-osx'
Merge branch 'release/1.5'
Merge branch 'docs/issues'
Enable decoding of the new singature in youtube URL
Merge pull request #157 from athoik/youtube

Enable decoding of the new singature in youtube URL
plugin.get_streams: Make default stream_types dynamic.
plugin: Minor name style changes.
plugins.youtube: Refer to youtube-dl if no VOD streams can be found.
plugin.get_streams: Cleaner handling of multiple type streams.
Some style and documentation cleanups.
docs: Update plugin matrix.
plugins.justintv: SWF URL tweak.
packages.pbs: Safer argument handling.
Bump version to 1.5.1.
docs: Update CLI description.
Update CHANGELOG.
Merge branch 'release/1.5.1'
Merge branch 'release/1.5.1' into develop
Support more advanced filtering for the synonym excludes.

Fixes #159.
Update README.