Use mail rather than htdocs

src/freedombone-app-mailpile

     read_config_param "MAILPILE_DOMAIN_NAME"
 
     function_check set_repo_commit
-    set_repo_commit /var/www/$MAILPILE_DOMAIN_NAME/htdocs "mailpile commit" "$MAILPILE_COMMIT" $MAILPILE_REPO
+    set_repo_commit /var/www/$MAILPILE_DOMAIN_NAME/mail "mailpile commit" "$MAILPILE_COMMIT" $MAILPILE_REPO
 }
 
 function backup_local_mailpile {
     fi
 
     cd /var/www/$MAILPILE_DOMAIN_NAME
-    if [ -d /var/www/$MAILPILE_DOMAIN_NAME/htdocs ]; then
-        rm -rf /var/www/$MAILPILE_DOMAIN_NAME/htdocs
+    if [ -d /var/www/$MAILPILE_DOMAIN_NAME/mail ]; then
+        rm -rf /var/www/$MAILPILE_DOMAIN_NAME/mail
     fi
-    git_clone $MAILPILE_REPO htdocs
-    cd htdocs
+    git_clone $MAILPILE_REPO mail
+    cd mail
     git checkout $MAILPILE_COMMIT -b $MAILPILE_COMMIT
     set_completion_param "mailpile commit" "$MAILPILE_COMMIT"
 
     fi
     pip install -r requirements.txt
 
-    adduser --system --home=/var/www/$MAILPILE_DOMAIN_NAME/htdocs/ --group mailpile
-    chown -R mailpile: /var/www/$MAILPILE_DOMAIN_NAME/htdocs/
+    adduser --system --home=/var/www/$MAILPILE_DOMAIN_NAME/mail/ --group mailpile
+    chown -R mailpile: /var/www/$MAILPILE_DOMAIN_NAME/mail/
 
     # create folders and tags
-    su -c "cd /var/www/$MAILPILE_DOMAIN_NAME/htdocs && ./mp --setup" - mailpile
+    su -c "cd /var/www/$MAILPILE_DOMAIN_NAME/mail && ./mp --setup" - mailpile
 
     echo '[Unit]' > /etc/systemd/system/mailpile.service
     echo 'Description=Mailpile Email Client' >> /etc/systemd/system/mailpile.service
     echo '[Service]' >> /etc/systemd/system/mailpile.service
     echo 'User=mailpile' >> /etc/systemd/system/mailpile.service
     echo 'Group=mailpile' >> /etc/systemd/system/mailpile.service
-    echo "WorkingDirectory=/var/www/$MAILPILE_DOMAIN_NAME/htdocs" >> /etc/systemd/system/mailpile.service
-    echo "ExecStart=/var/www/$MAILPILE_DOMAIN_NAME/htdocs/mp --www=0.0.0.0:${MAILPILE_PORT} --wait" >> /etc/systemd/system/mailpile.service
+    echo "WorkingDirectory=/var/www/$MAILPILE_DOMAIN_NAME/mail" >> /etc/systemd/system/mailpile.service
+    echo "ExecStart=/var/www/$MAILPILE_DOMAIN_NAME/mail/mp --www=0.0.0.0:${MAILPILE_PORT} --wait" >> /etc/systemd/system/mailpile.service
     echo 'Restart=always' >> /etc/systemd/system/mailpile.service
     echo 'RestartSec=10' >> /etc/systemd/system/mailpile.service
     echo '' >> /etc/systemd/system/mailpile.service
             echo '  error_log off;' >> $mailpile_nginx_site
             echo '' >> $mailpile_nginx_site
             echo '  # Root' >> $mailpile_nginx_site
-            echo "  root /var/www/$MAILPILE_DOMAIN_NAME/htdocs;" >> $mailpile_nginx_site
+            echo "  root /var/www/$MAILPILE_DOMAIN_NAME/mail;" >> $mailpile_nginx_site
             echo '' >> $mailpile_nginx_site
             echo '  location / {' >> $mailpile_nginx_site
             function_check nginx_limits
         echo '  error_log off;' >> $mailpile_nginx_site
         echo '' >> $mailpile_nginx_site
         echo '  # Root' >> $mailpile_nginx_site
-        echo "  root /var/www/$MAILPILE_DOMAIN_NAME/htdocs;" >> $mailpile_nginx_site
+        echo "  root /var/www/$MAILPILE_DOMAIN_NAME/mail;" >> $mailpile_nginx_site
         echo '' >> $mailpile_nginx_site
         echo '  location / {' >> $mailpile_nginx_site
         function_check nginx_limits