Added documentation about how to set a higher maximal upload file size for the web frontend.
Added documentation about how to set a higher maximal upload file size for the web frontend.

ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas