Right click menu updated

- Source for right click list changed to people.AvailablePeople
- Selecting person in right click list now just changes the clicked person instead of swapping them.
- Added buttons for moving clicked person left or right
- Left and right key now moves right clicked person
- Escape key now closes right click menu
Modified IP selection

- "127.0.0.1" is now renamed to "localhost" but acts the same
- Manual input of IP address is now possible, displays input control next to the "check all" text box.