Update screenshot url.
Update screenshot url.

GhassenRjab/wekan,oliver4u/sap-wekan,wekan/wekan,jtickle/wekan,johnleeming/wekan,mario-orlicky/wekan,GhassenRjab/wekan,ddanssaert/wekan,mario-orlicky/wekan,wekan/wekan,johnleeming/wekan,nztqa/wekan,wekan/wekan,wekan/wekan,jtickle/wekan,nztqa/wekan,GhassenRjab/wekan,wekan/wekan,ddanssaert/wekan,johnleeming/wekan,johnleeming/wekan,jtickle/wekan,libreboard/libreboard,mario-orlicky/wekan,oliver4u/sap-wekan,ddanssaert/wekan,nztqa/wekan,libreboard/libreboard,oliver4u/sap-wekan