[feature] Updated font-setting styling and added preview

Changing font directives to update scope when value is changed
Updated styling classes
Added backgroundColor field
Updated color pickers with type field
Added preview div and binding to update style
Merge pull request #80 from alex-deaconu/master

[feature] Updated font-setting styling and added preview
Added font-family to preview bar

Updated font-setting to use font-picker font object
Merge pull request #84 from alex-deaconu/feature/font-selector

Feature/font selector
Fixed style-common css links for tests
Merge pull request #85 from alex-deaconu/chore/fix-tests

Chore/fix tests
Reordered font-setting components and fixed small issue
Merge pull request #86 from alex-deaconu/chore/re-order-font

Chore/re-order font setting components
changed scroll setting to a drop down
Merge pull request #87 from nexus-uw/bug/change-scroll-setting-to-dropdown

changed scroll setting to a drop down