cleanup InternetMediaTypeRegistry regtest to accomodate fact that some systems return html and some htm for file suffix
cleanup InternetMediaTypeRegistry regtest to accomodate fact that some systems return html and some htm for file suffix

SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika