Piwik clean up and preprocess commands

ssh -i "rosanna_notey_aws.pem" ec2-user@ec2-52-23-206-144.compute-1.amazonaws.com mysql -u root -p 1234 show databases; use notey_piwik; /usr/bin/php /var/www/html/piwik/console core:archive --url=http://ec2-52-23-206-144.compute-1.amazonaws.com/piwik/ > /tmp/piwik-archive.log & /var/www/html/piwik/console core:delete-logs-data --dates=2016-04-12,2016-04-30