Add CentOS 7 tempplates and scripts
- Use the Fedora 20 scripts and services instead of the CentOS 6.5 (since systemd)
-- Rename service to monetdbd.service

Also:
- Do not execute load-voc-data.sh and vos schema creation as part of user-setup.sh
- Move EPEL repo enable to new script
- Move set rc.local to new scipt and do not run
- Use Amazon Linux 2014.03.2 EU-West-1 AMI

While there:
- Reshuffle order of provisioners executions
- Update readme
- Unify links
Move again openeing MonetDB port to separate file