Imported Upstream version 2013.08.29
Merge tag 'upstream/2013.08.29'

Upstream version 2013.08.29
Update changelog.

Git-Dch: Ignore
debian/control: Remove upper limit on the python version that we support.

youtube-dl does work with python3 and stating otherwise is a lie. If the
build system breaks, then the build system should be fixed to reflect
reality. We should not circumvent reality otherwise.
Prepare for upload.

Git-Dch: Ignore