Add Ursatz bower component
Use local repository for development
Update bower links
Use Autoprefixer instead of Compass
Remove unneeded imports
Remove code provided by Normalize
Use modular scale instead of variables
Use sass maps for variables
Use Ursatz for mediaquery
Use Ursatz for variable
Remove unnecessary comment
Delete files only already used by Ursatz

Fixes #18
Merge branch 'feature/ursatz' into develop