Stop using CSSLint
Add 'build' and 'component' to `.gitignore`
Add build tools
Change class names; use calc()

Trying out a different naming convention for the responsive classes:
https://github.com/suitcss/suit/issues/29#issuecomment-34565736

Using `calc()` to generate more precise percentages in the build.

Fix gh-1
4 spaces -> 2 spaces
Rename files to match new class name pattern