[fixes #4754498] login case-insensitively
[fixes #4754498] login case-insensitively

vertex/website,isaacs/website,vertex/website,nko2/website,nko5/website,nko4/website,vertex/website,isaacs/website,nko5/website,nko4/website,nko2/website,nko2/website,nko5/website,isaacs/website,isaacs/website,nko4/website