Vimeo Likes

Added support for vimeo likes
Vimeo - YQL

switched to yql
Merge remote-tracking branch 'arminrosu/master'

* arminrosu/master:
  Vimeo - YQL
  Vimeo Likes
Merge in vimeo likes by @arminrosu
added mendeley
changes made per suggestions by christianv
Merge pull request #121 from etano/upstream

added mendeley