Update footer link font size to match comps
Update footer link font size to match comps

@lucianf we had these at 12px to match the footer tools
(grid/list/scroll top) text. Now the tools are 12 and the links are at
14.

[#139979721](https://www.pivotaltracker.com/story/show/139979721)

ello/webapp,ello/webapp,ello/webapp