small changes to REAMDE
small changes to REAMDE

The unit of 'extensions.update.interval' can be useful to indicate.
The mailing-list address is used to post messages on this mailing-list, not to subscribe.
yurydelendik/shumway,yurydelendik/shumway,yurydelendik/shumway,mbebenita/shumway,tschneidereit/shumway,mbebenita/shumway,mozilla/shumway,yurydelendik/shumway,tschneidereit/shumway,tschneidereit/shumway,mozilla/shumway,yurydelendik/shumway,yurydelendik/shumway,tschneidereit/shumway,yurydelendik/shumway,mbebenita/shumway,mbebenita/shumway,yurydelendik/shumway,mozilla/shumway,mbebenita/shumway,mozilla/shumway,mozilla/shumway,mbebenita/shumway,mozilla/shumway,mbebenita/shumway,tschneidereit/shumway,tschneidereit/shumway,mbebenita/shumway,tschneidereit/shumway,mozilla/shumway,mozilla/shumway,tschneidereit/shumway