Mac makefile improvements

[amadeovezz]

What

As Josh and I go through environment set-up, we've noticed some small bugs and improvements that can be made, namely:

BUGS

• [x] Spacing issue in janus-seed target

Improvements

• [x] Adding a migrate-all command
• [x] Adding Vulcan commands
• [ ] Improving readme (punt to future work)

[amadeovezz]

great additions josh, for the sake of not holding this up, lets get this in. We can always iterate on the README in future PR's