Improve designer tool UI. Add examples to styleguide

Author: Hannu Pelkonen

lib/app/sass/_styleguide_variables.scss

@@ -5,4 +5,6 @@ $primary-action-color: #EB7F00;
 $primary-color: #1c3849;
 $primary-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
 $secondary-color: #E4E4E4;
-$secondary-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
+$secondary-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
+$action-color-change: 5%;
+$tertiary-color: #F7FCF1;