Update load-grunt-tasks.
Update load-grunt-tasks.

kangax/html-lint,DChristiany/html-minifier,DChristiany/html-minifier,GerHobbelt/html-minifier,kangax/html-minifier,MacManus/html-minifier,psychoss/html-minifier,kangax/html-minifier,bryanerayner/html-minifier,psychoss/html-minifier,AshKyd/html-minifier,jonnochoo/html-minifier,jonnochoo/html-minifier,MacManus/html-minifier,GerHobbelt/html-minifier,AshKyd/html-minifier,bryanerayner/html-minifier,kangax/html-lint