add support for browsers that do not support devicePixelRatio but support media queries in javascript
Added Simple Callback
Need to change the speedTestUri to something other then my Amazon

This is costing me $20/mo
Merge pull request #3 from crdeutsch/patch-1

Need to change the speedTestUri to something other then my Amazon
Merge pull request #1 from michelv/media_query

add media queries for browsers that do not support devicePixelRatio
Merge pull request #2 from seancorgan/Callback

Added Simple Callback
Update README.md
Update README.md
Update README.md
Merge pull request #1 from teleject/master

rebase