Basic functionality for MyLoansActivity

Implemented:
Being able to check in a loaned book.
Being able to view the current users loan and reservations.
Being able to see the return date for loans.

Not implemented:
A more easy to read return date format (Current format provides to much unnecessary information)
A better looking UI.
Check out function for reservations (Need a method that check what loanable the user has been assign to)
Click able list items that will take you to the titles detail page (for reservations and loans).
Offline storage of reservations and loans.

Also hi