* Resolves #359: added Normalize.css to project.
* Added master style sheet
* Resolves #360: Created sass-silent-variables
* #358:
 * #358: created grid variables and aliases.
 * #358: created sass-helper clearfix class
 * Resolve #358: created grid mixins
* Resolve #361: created grid framework
* created grid tests
Merge branch 'feature/#350-sass/css' into develop