Flexible structures for walking

[qfox]

Walk should use file.stringify and presets modules for walking thru file system.

bem-sdk-archive/bem-walk#77

[awinogradov]

Any activity here?

[qfox]

@awinogradov Please link to places what this feature blocking.

For now we really want to implement this piece of shit to enb before implementing features like this.
But later when it will be done it would be nice to have some links to places that needs fixes to get correct priority.

[jabzzy]

@zxqfox serp/web4 :)

[qfox]

@jabzzy Awesome ;-D

We have a meeting with @blond about this and decided to rework walk package a little.

This should be closed after: #282
Guess it can be moved there and closed as a dup. Sorry 😞