Merge pull request #68 from nphillips/master

Styled the Videos page
updated lendit europe quote
added img column to videos
updated seeds
added show page for videos
added thumbnail image for the videos index
updated routes for individual video page
added video show page details
updated index details
updated video relationship to conference
recreated videos and made made slugs for seo urls
redid videos and added friendly urls
refactored videos controller
updated videos show view