work in progress to fix facebook
Removes facebook css and images
Takes facebook css and images out of manifest
Removes 'Add Buttons' function for facebook
Removes unncessary promo image
Simplifies and improves 'Storify this post' option on facebook
Brings back 'add buttons' function
Click handler for facebook curation menu propagates properly
Facebook's embed button still works after storify button is added
Replaces deprecated unescape with decodeURIComponent
Major improvement and simplification for facebook
Merge branch 'master' into fix/facebook

Conflicts:
	manifest.json
Merge pull request #14 from storify/fix/facebook

Fix/facebook