Changes IE comment

Updates IE comment for fatalist to include IE9 and below instead of
just IE8
Merge pull request #316 from codeforamerica/ie-comments

Changes IE comment
Adjusts alert box width to fix mobile devices

When the alert box shows up (e.g. when geolocation can't place the
device), the width was too wide on some mobile devices. This commit
reduces the min-width by 100 pixels.
heroku