2013->2015
Bootstrap 2.3.1.0->3.1.1.1
Bootstrap-migration: span* -> col-md-*
Bootstrap migration: offset* -> col-md-offset-*
Bootstrap migration: navbar
Boostrap migration hero-uni -> jumbotron
Bootstrap migration: buttons
Bootstrap migration: alert-error -> alert-danger
Bootstrap-migration: control-group -> form-group, error->has-error
Bootstrap migration: input-prepend and input-append -> input-group
Bootstrap migration: form-actions removed
Merge pull request #4 from isfit/user-revolution-cosmetic

User revolution cosmetic - Bootstrap update