display parenthetical dimension

(but only if > 0 to avoid clutter)
Merge remote-tracking branch 'origin/master' into cb-display
display parenthetical dimension in overview web ui

Slightly different take on #79 which also fixes an ordering issue that has
annoyed me for a long time. Closes #79
Merge pull request #83 from tumblr/cb-display

display parenthetical dimension in overview web ui