Fixes #456
render_breadcrumbs now accepts a &block argument
Renamed #label to #tag_label to resolve conflict with form helper
Merge pull request #586 from gzigzigzeo/master

Fixes #585
Merge pull request #583 from mbillard/master

render_breadcrumbs now accepts a &block argument
use content_tag instead of strings
Merge pull request #587 from toadkicker/use_content_tag

use content_tag instead of strings
v.2.2.7
Update to later version of bootstrap to fix issue with firefox

- The issues is discussed here:
  https://github.com/twitter/bootstrap/issues/7118
Update README.md
Update README.md
Merge pull request #589 from shlensky/patch-1

Update README.md
Merge pull request #590 from EastAgile/master

Update to latest version of bootstrap to fix issue with firefox (cannot open new tab with Cmd+Click)
Added support for blocks in menu_item, to be more inline with link_to's capabilities.
Merge pull request #592 from jakew/menu-item-blocks

Added support for blocks in menu_item, to be more inline with link_to's ...
modified:   app/helpers/navbar_helper.rb
Fontawesome 3.2.0
Fixed missing "?" in generator
Bootstrap 2.3.2
Merge pull request #596 from diowa/fontawesome-3.2.0

Bootstrap 2.3.2 + Fontawesome 3.2.0
Merge pull request #595 from Lanodd/master

Fixed responsive navbar