chore(*): updated libraries
fix(build): fixed running Karma after updating to latest version
style(build): fixed formatting
improve(sass): replaced Ruby compiler with faster NodeJS
improve(build): removing logs is done by UglifyJS without external plugins
improve(jshint): updated stylish plugin to customize colors
docs(readme): updated to v0.2.3
release(*): bumped to v0.2.3
chore(update) update dependencies in NPM (package.json) and Bower (bower.json)