SSH connection test now works if it can connect even without receiving the existing connection error. tcp_test_ssh now checks the return from the second socket.connect_nonblock and will return true if that connection attempt was successful.
fix undefined local variable,definition_dir

Specifying an non writeable definition dir returned an undefined variable error rather than the helpful error message.
Running unnecessary media check every time

Skips to Install Fedora 20
from default
Test this media & install Fedora 20
Merge pull request #892 from ejsarge/master

SSH connection test now works if it can connect even without receiving the existing connection error.
Merge pull request #893 from braddeicide/master

Enable "DefinitionDir not writable" error msg, skip Fedora 20 media check.