Clean up template.css

 - Remove unused fonts and icons.
 - Remove duplicate styles.
 - Optimized number: Removed unit 'px' from '0px'

Signed-off-by: Jonathan Lee Slew <jlslew@scs.carleton.ca>
Merge pull request #33 from jlslew/patch

Clean up template.css
Remove unified asset installer
Merge branch 'master' of github.com:phpDocumentor/template.responsive
Fix typo in composer.json