refactoring main.js
added social buttons
PostController::createAction changes
implement facebool social buttons per post
added googlePlusButton
Merge branch 'socialButtons' into aftermerge

Conflicts:
	src/Willothewisp/Bundle/GuestbookBundle/Controller/PostController.php
	src/Willothewisp/Bundle/GuestbookBundle/Resources/public/js/main.js