New functionalities :
Permalink implementation for thread messages
User tagging for threads
Up vote and down vote for threads messages
Sorting threads (Relevance / Answers / Newest / Votes / Views)
Sorting thread messages (Oldest / Votes)
UI :
Better layout with better pane controls (slide in/out, pin up/down, open and close)
Populating thread messages with handlebarjs
Better thread messages display (converted into HTML)