:logo => params[:logo] || "$wgStylePath/common/images/wiki.png",
:email_contact => params[:email_contact] || "",
:email_sender => params[:email_sender] || "",
:logo => params[:logo] || "$wgStylePath/common/images/wiki.png",
:email_contact => params[:email_contact] || "",
:email_sender => params[:email_sender] || "",