Add Solarized Light and Dark themes (ported from Mou)
Fix file permission for GitHub.css
Add Solarized HTML styles
Add license for Solarized styles/themes
Add @KevinSalter as contributor
Merge pull request #110

from KevinSalter/add-solarized-themes

Conflicts:
	MacDown/Localization/en.lproj/Credits.rtf
Add logic to copy files later added to the project