Make TARS great again! (tars#427)

* Make TARS great again!
- drop Node legacy versions
- update `gulp-sass` and `posix` packages for prevent `node-gyp` errors

* add missed `sass` package

* try to require `sass` package with `gulp-sass`, needs by new `gulp-sass` version

* fix parameter passing error in `gulp-sass`

tars#423: fix broken watch mode with modular js processing

Remove done from sprite tasks (tars#413)

* Remove done from sprite tasks

* Update version

Gulp v4 (tars#411)

* Update tasks and watchers

* Update deps, update version, fix problems with init, update docs

* Remove 8 and 9 node from tests, remove finally

Set gulp-sass version from commit

Update deps, remove 6-7 node support

Patch version change (tars#396) (tars#397)

fix: type to string, add: chance to clean up the other folders (tars#392

)

Added changing dev path (tars#389)

* Added changing dev path

* fix path

* change version

* Обновил документацию

* check '/'

fix: copy .* files (tars#388)