added date label to basic cell for message configuration
right justify the date label
populate date label with static text for now
misc
added date key/value to all sample messages
added reply button to basic cell for messages configuration
misc
basic object model class for message and new view controller for displaying message threads
added a formattedDate string property for displaying dates
added message property to message thread view controller
pass off UCMessage when transitioning to the messages thread view controller
new cell subclass for displaying messages in a thread
added text label to message cell subviews
added tableview to message thread view controller
defined message cell configuration typedef enum