check for soundcloud client id before trying to embed soundcloud
optimized homepage query and added merch to homepage. closes #11
* improved merch view
* switched to custom version of titleize gem (allow 'CD', etc)
* removed padrino footer from admin pages, replaced with Wafelijzer footer
* added artists to blogs, merch
* fixed indentation in settings_helper
* improved views
* improved /flush view / handling
* improved bootstrap