Updated earthdeskprefpane.rb to correct version and sha256 entries for urls without specific version info
updated earthdeskprefpane.rb to match correct style, download the prefpane without the installer app, set as a prefpane install, and added the uninstall and zap stanzas.
updated earthdeskprefpane.rb to actually remove the prefpane in the uninstall section.
Updated earthdeskprefpane.rb to add appcast stanza.
Updated appcast stanza.