Creating contactViewController
Adding new staticList

Adding new list of contacts. Allowing to get messages by contact.
Using new list

Using new list of contacts. Changing former list of message.
Changing centerView
Adding function to contacts

Adding an init function to contacts.
Changing messageVC

Changing messageVC. Setting it as detailVC. Adding init depending on
contactID.
Adding init to Messages
Adding init to Activity
Adding messages

Adding message when calling API. Some From some To self.
Adding threadCell

Adding threadCell to manage messages.
Adding background image

Adding background image for message. One for From, one for TO self.
Using threadCell and new image

Using threadCell and new image to messageViewController. Use of new
message from API to test.
Deleting unused image

Deleting search.png since unused. Re-organizing image folder.
Adding date

Adding date to the message tableHeader.