CentOS 7 Python 3.4 test install

```
[~/centos7]$ cat Vagrantfile
Vagrant.configure(2) do |config|
  config.vm.box = "centos/7"
end
[~/centos7]$ ls
python34-3.4.3-2.el7.x86_64.rpm  python34-libs-3.4.3-2.el7.x86_64.rpm  Vagrantfile
[~/centos7]$ vagrant up
<snip>
[~/centos7]$ vagrant ssh
<snip>
[vagrant@localhost ~]$ sudo rpm -i sync/python34-libs-3.4.3-2.el7.x86_64.rpm
[vagrant@localhost ~]$ sudo rpm -i sync/python34-3.4.3-2.el7.x86_64.rpm
[vagrant@localhost ~]$ python3.4 --version
Python 3.4.3
```