bem/bem-environ — pull request #6 by arikon (2013-08-01 14:20:47+00:00)
Title: Change API of bem-environ to one more straightforward

- make environ exported object a function to set global root
- make lib/arch export a function that accept nodes registry and environ object as its arguments
- add environ.extendMake() function to apply nodes extensions
- reflect changes in a readme