commented in common
sudo kill
do not sudo if user is devops
fixed service script so that logs is not owned by root when running with sudo
apt speedup
Merge branch 'master' into start

Conflicts:
	roles/app/files/init.sh
	roles/app/tasks/deploy.yml
	roles/common/tasks/apt.yml
	roles/mysql/tasks/install_mysql.yml
	roles/nginx/tasks/install_nginx.yml
	site.yml