GitHub link goes to new window.
Merge branch 'new-tools-ui-plus-new-graphics' of https://github.com/codeforamerica/streetmix into new-tools-ui-plus-new-graphics
Improve gallery.
Merge branch 'new-tools-ui-plus-new-graphics' of https://github.com/codeforamerica/streetmix into new-tools-ui-plus-new-graphics