Fixed alignment between buttons and inputs.

This commit resolve locaweb/locawebstyle#988
Merge pull request #989 from Wylkon/3.0.2

Fixed alignment between buttons and inputs.
adding example of 404 in changlog
Improvement on sidebar when has contain .ls-area-account
Fixed notification bar on mobile, when closes sidebar.
create mixing to rgba
applying mixing rgba
When exists notification bar, added icon to open notification bar on top bar.
Litte improvements
Remove unnecessary span on boilerplate
If span exist on top bar not added