Updated version of this Twitter Client supporting to following user
stories / capabilities
 - User can switch between Timeline and Mention views using tabs.
 - User can view their home timeline tweets.
 - User can view the recent mentions of their username.
 - User can click icon on Action Bar to view their profile
 - User can see picture, tagline, # of followers, # of following, and
tweets on their profile.
 - User can click on the profile image in a tweet to see that user's
profile.