Refactor sass.js task for improved maintainability
Merge pull request #1 from BlakeSimpson/master

Refactor sass.js task for improved maintainability
Refactor base64.js task for improved maintainability
Optimize tasks for better extensibility

Move options out of the gulp tasks to make it possible to extend tasks
just by adding new options to the config file.
Update link and title to article
Update README.markdown
Optimize revision collect for better extensibility

You may now pass an Array of files, including the manifest file,
files to replace and like in this example files to exclude: feed.xml
Add Gems to Gemfile

- Adds `fontcustom` to Gemfile, run Gulp task with bundle exec
- Add `scss-lint` to Gemfile, run Gulp task with bundle exec
- Remove Octopress, add Jekyll to not confuse beginners
Update documentation