Add CSS Linter options for editors.
Add editor config file.
Update Sass functions with the latest version from my other projects.
Replace Grunt packages with Gulp.
Remove unnecessary gulp packages.
Update gitignored files lists.
Improve .gitignore file.
Add JSHint options.
Remove source maps files from the repo.
Add Gulp workflow.
Format Sass according to new editor config settings.
Merge branch 'feature/gulp' into dev