Fix Travis CI errors
Fix Travis CI errors

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