Revise messages index view to show message information, add table styling.
Add more semantic route to user profile.
Fix typo in user profile controller/action shorthand, add links to sender and recipient names in messages table.
Adjust associations in User model to give specific names to sent and received messages, add method to User model to retrieve all messages.
Add date method to Message model to convert created_at to day month year format, add date to messages index table.
Move table body into partial.
Add last_sign_in_date method to User model and new_since_last_login method to Message model to determine new messages, add styling to messages index view to reflect new messages.
Revised new_since_last_login method to use the complete date info in the database, rather than converting to just dates, so as to more precisely capture new messages.
Merge branch 'messaging'