Improve 'add to favorites' method and layout
Summary: Inserted 'messageTextView' and 'addToFavorites' star button in a CardView (in fragment_list_view.xml). Changed the italian and english 'howDoesItWork' hint. Setted clickable messageTextView and addToFavorites star button.
Reviewers: Libre BusTO , valerio.bozzolan
Reviewed By: Libre BusTO , valerio.bozzolan
Tags: Libre BusTO
Maniphest Tasks: T259
Differential Revision: https://gitpull.it/D19