restore etherpad revision

• curl -i "https://stoa.anagora.org/api/1.2.15/restoreRevision?apikey=$(cat <button class="pull-url autopull" value="https://stoa.anagora.org/api/1.2.15/restoreRevision?apikey=$(cat">pull</button> APIKEY.txt)&padID=example&rev=42" --get