New users have default profile picture
Display profile picture from that user sets

When working on the default, I switched the user profile pricture to
default. Now it works.
show next and previous photo buttons
User show page displays combined thoughts

Before we had it so the user's thoughts and the recieved thoughts were
displayed seprately. Now they are together.
User profile edit button instead of link_to
users search for other users
prefill the search bar
Format chat window, messages
Initial implementation of chat tabs