Update Dockerfile maintainer and npm version.
Update Dockerfile maintainer and npm version.

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