Add neo-python to CLI

[nunojusto]

Problem

Solving issue https://github.com/CityOfZion/neo-local/issues/70

Solution

Coding GO adding the neo-python service to the CLI

Checklist

• [x] I have ran the tests locally.
• [x] I branched off of the develop branch and not master.
• [x] I did not change the VERSION file.

[nunojusto]

All done, please review again