v0.1.3
added activity indicators to several key processes; fixed json data not being sent to server due to dateFormatter error; corrected issue with new_data overwriting conversations rather than appending it; rewrote process for separating new friends and existing conversations in the cell list; added a button to the drawing page to erase the stage without dismissing the controller; added conversations variable to the login controller to prevent the cached plist data from being lost; attached IBAction to Edit button; login and register controllers now receive and use the username returned by the server in all processes and cached data; rewrote the calculations for moving the register view controller while the keyboard is active and removed the editingEnded: function; added a function to wireConversations to unwind the drawing page when a Wire has been sent; modified the values for generating dots in wireDrawing