Clone locally and make a physionet branch

[turambar]

• [x] git clone class_labs repository locally
• [x] make sure it builds OK for you
• [x] create a physionet branch

[turambar]

@bpark738

[turambar]

@bpark738 if this is done, check the little boxes and "Close and comment" the issue. :)

[bpark738]

Done