studio - sets initial studio nav revisions (WIP)
studio - proofs nav's flex grid widths/alignment
studio - revises button styling/states for primary nav
studio - revises studio nav visually and adds help links
studio - revises main nav dropdown jquery selectors
studio - abstracts and animates main nav dropdown icons
studio - makes course org/number visually inline in main nav
studio - removing reference to old edX Studio logo on index view
studio - removing unused/needed studio logos
studio - replaces flex-grid based widths with % for main nav
studio - wraps nav elements in floated containers for easier layout
studio - syncs up  Sass variable with edX's official blue