Update gemfile source
Update gemfile source

art19/useragent,mycolorway/useragent,imulus/useragent,brjennin/bond,superp/useragent,jakswa/useragent,yyyc514/useragent,ishumilova/useragent,clemens/useragent,tape-tv/useragent,albertbellonch/useragent,michieldewit/useragent,dgraham/useragent,paulcbetts/useragent,springleaf/useragent,545ch4/useragent,SalesLoft/useragent,bf4/useragent,xing/useragent,gshutler/useragent,intercom/useragent,michaeldauria/useragent,mkilling/useragent,charliesome/useragent,clevertechru/useragent,ndbroadbent/useragent