NumPy v1.12.1 release.

1. 3e26a22 Added label icon to Travis status by Philip Gura · 10 years ago
2. 1134f93 added NumPy logo and separator by Philip Gura · 10 years ago
3. f68cadd DOC: update min nose version in import error message, and add note to README by Ralf Gommers · 10 years ago
4. 1301507 Update and rename README.txt to README.md by anatoly techtonik · 10 years ago