Next step is to utilize the features MarkdownDeep brings to the table.

Ported @Tabs support over.

Cleaned up crappy public field naming/properties
Added @alert support
Added @fontawesome support
Added tests

Moved DocNet code to its own folder
Added MarkdownDeep parser code plus tests
Migrated DocNet code to use MarkdownDeep. Not complete yet (the h2
headers aren't collected yet).

- Theme has corrected margin on Header elements. It corrected an issue
in the markdown parser which wraps headers with P elements (See #11).
- Backported changes to MarkdownSharp from
https://github.com/PKRoma/MarkdownSharp/

Implements #1 (tabs)
Solves #3 (requirements)

Added documentation about automatic H2 item addition to ToC
Fixed issue when copying files which already existed (are now
overwritten)
Bumped version to v0.7.2