python-blessings-1.7-bp152.2.5

- Remove nose dep since we are not running the tests

- Version update to 1.7:
  * py 2.6 and 3.3 dropped support
  * use six

- specfile:
  * update copyright year
- update to version 1.6.1:
  * Don’t crash if number_of_colors() is called when run in a
    non-terminal or when does_styling is otherwise false.

- singlespec auto-conversion

- Initial package