Add support for embed.ly
[ted] Style fixes
Merge remote-tracking branch 'rzhxeo/embedly'

Conflicts:
	youtube_dl/extractor/generic.py
[generic] Get a better ID
[generic] Add all test attributes for embedly (#2447)

In the future, we may want to not only print something, but throw an error for untested properties.
[ted] Remove unused import and modernize test
Use meaningful return value constants for rtmpdump
Remove superfluous whitespace
Handle rtmpdump's no connection return value
Report no connect as error
Use unicode literals
Do not resume live streams

No resuming or seeking in live streams is possible (c) man rtmpdump
[vesti] Fix extraction and support more link formats (Closes #2517)
release 2014.03.06
[lynda] Fix successful login regex and fix formats extraction (Closes #2520)
release 2014.03.07
[facebook] Fix login process

It was broken and didn't work in python 3.
And use `_download_webpage` instead of `compat_urllib_request.urlopen`.
release 2014.03.07.1
[lynda] Modernize
[http] Use the `YoutubeDL.urlopen` method