add patch for MariaDB 5.5.40
Update setup_frappe.sh
fix mariadb patch
add wkhtmltopdf deps and fix add_user
Update README.md
Add support for CentOS 7, fix #30
hardcode server_names_hash_bucket_size to 64 in nginx config
Update README.md
fix last v3 patch
Merge pull request #6 from frappe/master

UPDATE TO UPSTREAM