Remove 'examples' directory

Example code is better provided in documentation.
Remove Component(1) support
Add css-parse and css-stringify tests
Add css-parse and css-stringify modules
Add css-parse benchmarks
Update package.json

Include the css-parse and css-stringify dependencies and
devDependencies. Rely on npm-scripts to run tests.
Remove Makefile
Update Readme

Incorporate the css-parse and css-stringify Readmes.
Merge pull request #13 from reworkcss/merge-parse-and-stringify

Merge css-parse and css-stringify