Added CentOS 6.4 template, converted from the CentOS 6.4 64-bit template in veewee.
Added Debian 7.1 64-bit template, converted from the corresponding template in veewee.
Added Ubuntu 12.04 64-bit template, converted from the corresponding template in veewee.
Added Ubuntu 12.10 64-bit template, converted from the corresponding template in veewee.
Added Ubuntu 13.04 64-bit template, converted from the corresponding template in veewee.