Prepare CentOS system to build OpenWRT

# Copyright: Djarvur group, 2009,
# License: FreeBSD
# Tested on CentOS 5.4
# The following packets muste be installed

sudo rpm -Uvh`uname -i`/epel-release-5-3.noarch.rpm

sudo rpm --import
sudo wget -O /etc/yum.repos.d/virtualbox.repo

sudo yum -yv install subversion git gcc gcc-c++ glibc glibc-devel ncurses-devel \
                     zlib-devel gawk sed flex intltool gettext sharutils bison tftp \
                     VirtualBox qemu