Add buttons and style them. No functionality yet.
Twitter link is functional with custom message including lesson title and url
Facebook functionality in progress
Google+ basic functionality in place.  No customization of snippet yet.
Add tooltips.
Testing buttons with no js
All buttons functional.  Added helper method for converting lesson title into url-friendly format
Switch facebook app id to main app
Cleanup and add minimal testing
Merge branch 'social_sharing_buttons' of https://github.com/AbbyJonesDev/theodinproject into dev
use the right FB app ID