Unescape Html::button() value

HTML::button() values escaping. that is contrary to the architecture of the html5.
Maybe i want use dom element in button

Example; Twitter bootstrap
Merge pull request #857 from alioygur/patch-1

Unescape Form::button() value
Switch to Predis backend for Redis. Supports pipelining, sharing, etc.
Merge branch 'master' of github.com:laravel/framework