Added tutorial content

Added code to download and install a Fedora 20 machine image
Added new instance launching tutorial

This step is the part right after installing the Fedora 20 image. It'll launch the instance and show the user how to connect to it.
Added new instance launching tutorial

This step is the part right after installing the Fedora 20 image. It'll launch the instance and show the user how to connect to it.
Delete launch-instances

Meant to name the file with .sh extension.
Update launch-instances.sh

Attempting to make the script look / act like the first two tutorial parts.
Merge pull request #31 from ColbyDyess/master

New tutorial content
Merge pull request #32 from gregdek/master

Small output tweaks
Merge pull request #11 from eucalyptus/master

Pull changes from upstream