Rename bootstrap.no-icons.min.css
Moved bootstrap.no-icons.min.css to bootstrap-combined.no-icons.min.css to mimic the naming of the baseline bootstrap files (bootstrap.min.css vs. bootstrap-combined.min.css).
Removed responsive styles from bootstrap.no-icons.min.css
This mimics the naming of the baseline bootstrap files (bootstrap.min.css vs. bootstrap-combined.min.css).
Adjusted index.html to match change in name of the old bootstrap.no-icons.min.css.
Merge pull request #107 from benschell/master

Rename no-icons style to mimic base bootstrap naming, plus add a no responsive, no icons variant.