Implemented --exclude-sharp option.
Initial commit with minimal theme.
Add 'schemes/atom/' from commit 'fb1698f72594fa3316984d1d5c4569811939b1fc'

git-subtree-dir: schemes/atom
git-subtree-mainline: 72d4575ea051249087b2ff8e57eaaf9ad5a3a84e
git-subtree-split: fb1698f72594fa3316984d1d5c4569811939b1fc
Designed first working stylesheets.
Add samples for taking screenshot.