def convert_to_urlname(name)
      name
        .gsub(/[äÄ]/, 'ae')
        .gsub(/[üÜ]/, 'ue')
        .gsub(/[öÖ]/, 'oe')
        .gsub(/[ß]/, 'ss')
        .parameterize
    end
def convert_to_urlname(name)
      name
        .gsub(/[äÄ]/, 'ae')
        .gsub(/[üÜ]/, 'ue')
        .gsub(/[öÖ]/, 'oe')
        .gsub(/[ß]/, 'ss')
        .parameterize
    end
Converts a given name into url save and readable urlanme.
 Uses rails parameterize, but converts german umlauts before.

 @returns String