gns3 install on Fedora 20

#!/bin/bash
#
# To install on Fedora 20, and probably RedHat, CentOS and Scientific Linux.
# I tested this on a clean install of Fedora 20 in a virtual machine and it installed successfully so this should be all you need to get started.
#
# dynamips pre-requisites:
sudo yum -y install gcc-c++
#
sudo yum -y install libpcap-devel libuuid-devel elfutils-libelf-devel cmake
#
# GNS3 pre-requisites:
sudo yum -y install zeromq-devel python3-devel
#
sudo yum -y install python3-setuptools python3-PyQt4 python3-zmq python3-tornado
sudo pip3 install netifaces