renamed _tags.scs to _sidebar.scss
added tiny screen to _settings.scss as a responsive breakpoint
added selector inheritance to all  a:hovers in scss
made the contributors scss more in flavor of  the other scss files
removed ID selectors in the scss
added classes in views to avoid ID selectors in scss
added sidebar.scss to app.scss
Merge pull request #60 from jeroengerits/master

Some scss restructuring.. see attached commits