Minimap, hotkeys and lot of other changes

* Begin working on a new layout system for UIMinimap and later UIMap,
this new layout system allows to add widgets to the minimap
* Add option to disable motd
* Rework hotkey binding
* Lots of fixes in hotkeys manager
* Add fullmap view using Ctrl+Shift+M
* Prevent some crashs in ThingType draw
* Add function to load minimap from PNG files
* Fixes in minimap saving
* Fixes in Tile::isClickable
* Add UIMapAnchorLayout, new layout for maps
* Fix freezes in win32 when pressing alt key

modules/game_viplist/viplist.lua

@@ -3,7 +3,8 @@ vipButton = nil
 addVipWindow = nil
 
 function init()
-  connect(g_game, { onGameEnd = clear,
+  connect(g_game, { onGameStart = refresh,
+                    onGameEnd = clear,
                     onAddVip = onAddVip,
                     onVipStateChange = onVipStateChange })
 
@@ -20,7 +21,8 @@ end
 
 function terminate()
   g_keyboard.unbindKeyDown('Ctrl+P')
-  disconnect(g_game, { onGameEnd = clear,
+  disconnect(g_game, { onGameStart = refresh,
+                       onGameEnd = clear,
                        onAddVip = onAddVip,
                        onVipStateChange = onVipStateChange })