UstreamIE: get thumbnail and uploader name
Add support for Howcast.com - closes #835
Add support for Vine - closes #845
VineIE: extract more information and minor style changes
HowcastIE: extract thumbnail
Merge pull request #842 - myvideo, rtmp support

@dersphere code, from dersphere/plugin.video.myvideo_de.git
rewritten by @mc2avr
released in the Public Domain by the author
ref: https://github.com/rg3/youtube-dl/pull/842
make rtmpdump inherit the verbose option for debugging
Python 2 compat fixes for MyVideo.de rtmpdump downloads
add support for Flickr videos - closes #261
Add TeamcocoIE (closes #212)
small tweaks