[youtube] Video categories added to metadata
[extractor/common] --write-pages: Correct file name if video_id is None
Document and test categories (#2923)
[youtube] Fix typo
[bliptv] Switch extraction to RSS (Closes #2920)
Provide compatibility  check_output for 2.6 (Fixes #2926)
Merge remote-tracking branch 'origin/master'
release 2014.05.16
[youtube] Look for published-on date if uploaded-on is not found

Fixes #2911
[generic] Fix redirect
[ffmpeg] Correct argument encoding on Windows with Python 2.x

Fixes #2924
[francetv] Add support for non-numeric video IDs (Fixes #2927)
Merge remote-tracking branch 'origin/master'
release 2014.05.16.1
[youtube] Fix extraction of the feed 'paging' values (fixes #2925)
test_download works for photobucket after this change
Merge remote-tracking branch 'codesparkle/fix-photobucket-url' (closes #2934)

Fix photobucket url extraction
[youtube] Recognize a second format of the upload_date in the 'watch-uploader-info' element (#2911)
[vh1] Add new extractor (#2072)
release 2014.05.17