Refactoring and flexibility changes

* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler

modules/corelib/mouse.lua

@@ -0,0 +1,53 @@
+Mouse = {}
+
+local cursorChanged = false
+
+function Mouse.setTargetCursor()
+  g_window.setMouseCursor('/cursors/targetcursor.png', {x=9,y=9})
+  cursorChanged = true
+end
+
+function Mouse.setHorizontalCursor()
+  g_window.setMouseCursor('/cursors/horizontal.png', {x=9,y=4})
+  cursorChanged = true
+end
+
+function Mouse.setVerticalCursor()
+  g_window.setMouseCursor('/cursors/vertical.png', {x=4,y=9})
+  cursorChanged = true
+end
+
+function Mouse.restoreCursor()
+  g_window.restoreMouseCursor()
+  cursorChanged = false
+end
+
+function Mouse.isCursorChanged()
+  return cursorChanged
+end
+
+function Mouse.isPressed(button)
+  if not button then button = MouseLeftButton end
+  return g_window.isMouseButtonPressed(button)
+end
+
+function Mouse.bindAutoPress(widget, callback)
+  connect(widget, { onMousePress = function(widget, mousePos, mouseButton)
+    callback()
+    periodicalEvent(function()
+      callback()
+    end, function()
+      return widget:isPressed()
+    end, 30, 300)
+    return true
+  end })
+end
+
+function Mouse.bindPressMove(widget, callback)
+  connect(widget, { onMouseMove = function(widget, mousePos, mouseMoved)
+    if widget:isPressed() then
+      callback(mousePos, mouseMoved)
+    end
+    return true
+  end })
+end