add settlement object to tile;
draw settlements as we reach each tile in the draw function
Merge branch 'master' of https://github.com/RynsArgent/ProjectOgre
implementing the click handler
refine settlements representation clientside;
implement dialog on clicking a settlement;
use data sent from server to reconstruct settlement clientside;
fixed panning using arrow keys -- keydown event instead of keypress;
begin assigning settlement to a new user login -- in progress, there are some issues;
expanded the addPlayer and removePlayer functions -- need to check they're working correctly