Setting size of user list items to 48dp in height, as recommended by google
Adding 1dp padding around text views in main and private chat
Adding layout for tablets, identical to phone for now
Increasing font size to 15sp and using 4dp padding on tablets
Making the user list a bit wider on tablets
Switching size of user list back to sp, to make it scale with font size.
Increasing font size to 16sp for tablets
Fixing issue where parts of the last character in the nick name in the user list was cut
Adding some comments
Adding tablet version of the send file dialog
Setting font size 16dp on the send file dialog for tablets
Found a better way to define sizes for different screens, using dimens.xml
Fixed font size in the about dialog to use same setting as the chat
Fixed font size in the receive file dialog to use same setting as the chat