Add `dropdown-menu-right` in dropdown menu.

Thanks @mdo for the tip!

Fixes #294.
Update README.md now that only favicon.ico is used.
Fix Bootswatch link in jumbotron.
Merge pull request #295 from XhmikosR/develop

Add `dropdown-menu-right` in dropdown menu.
Merge pull request #299 from MaxCDN/develop

Releasing PR #295