- [submodule][ekzo.sass] updated version 1.19.1 (latest build)
- [grunt][sass] updated `sprites.map` template; improved mixin; replaced plain list of variables with array
- [grunt][sass] removed `sprite.map.scss` from repositary since it's generated file
- [misc] added `sprite.map.scss` to gitignore
- [sass][grunt] now `sprites.map` template will generate full usable sprites classes; improved mixins, added better docs
- [sass] better formating for icons file
- [sass] fixed not included sprites into main `styles.scss`
- [sass] better fonts and examples for `fonts.scss`
- [sass] better formating for `animations.scss`
- [sass] sprites mixins and default parameters moved to ekzo.sass core
- [sass][grunt] fixed typo in `sprites.map` template
- [sass] now prior to ekzo.sass update icons using Sass map for outputing all icons within single loop
- [sass] now prior to ekzo.sass update sprites using Sass map for outputing all sprites from `sprites.map.scss` within single loop
- [nj] moved `pageClass` to `<html>`

It give much more control over page styles in case of page-specific overrides
- [grunt] added various file extensions to `sprites` in `grunt-contrib-watch`
- [grunt] removed `cssVarMap` from `grunt-spritesmith` task since prioir to 2.0.0 Ekzo.sass update framework takes care of prefixes
- [submodule][ekzo.sass] updated to latest working pre 2.0.0 version
- [sass] better comments formatting
- [nj][sass] layout-related classes now should be prefixed with `l-`; better comments formatting

Prefix needed to avoid possible naming collision between componentes, partials and layout-related classes
- [nj][sass] `.site-menu` classes renamed to `.site-nav`; active states now should be prefixed with `is-`, like `site-nav__item--is-active`

`is-` prefix marks classes that in same time controlled via JavaScript, and on contrary to `js-` prefixed classes _styled_ in CSS