refactor(functions): renaming _icons.scss to match.scss
feat(lists): added list-mixin

-- reset list-styles with a mixin
refactor(grid): instead minus margin-left, use margin-right for pull-mixin
chore(svg): all path is now as a string

-- include variable in the string
refactor(scss): added addons-folder
chore(fonts): complete path as a string

-- added variable in string
refactor(scss): added helpers-folder
feat(animations): mixins for animations

-- stuff to use animations without writing for each the prefix
feat(appearance): mixin use appearance prefix-less
feat(transforms): use transforms without prefix
feat(transitions): use transitions without prefix
feat(box-sizing): use box-sizing without prefix

-- example: @include box-sizing(border-box)
refactor(scss): added css3-folder
refactor(*): added new folder- and file-structure, removing compass
refactor(scss): removing files from git