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/settings.lua

@@ -0,0 +1,82 @@
+Settings = {}
+
+Settings.exists = g_configs.exists
+Settings.setNode = g_configs.setNode
+Settings.addNode = g_configs.addNode
+Settings.getNode = g_configs.getNode
+Settings.remove = g_configs.remove
+Settings.setList = g_configs.setList
+Settings.getList = g_configs.getList
+
+local function convertSettingValue(value)
+  if type(value) == 'table' then
+    if value.x and value.width then
+      return recttostring(value)
+    elseif value.x then
+      return pointtostring(value)
+    elseif value.width then
+      return sizetostring(value)
+    elseif value.r then
+      return colortostring(value)
+    else
+      return value
+    end
+  elseif value == nil then
+    return ''
+  else
+    return tostring(value)
+  end
+end
+
+function Settings.set(key, value)
+  g_configs.set(key, convertSettingValue(value))
+end
+
+function Settings.setDefault(key, value)
+  if Settings.exists(key) then return false end
+  Settings.set(key, value)
+  return true
+end
+
+function Settings.get(key, default)
+  if not Settings.exists(key) and default ~= nil then
+    Settings.set(key, default)
+  end
+  return g_configs.get(key)
+end
+
+function Settings.getString(key, default)
+  return Settings.get(key, default)
+end
+
+function Settings.getInteger(key, default)
+  return tonumber(Settings.get(key, default))
+end
+
+function Settings.getNumber(key, default)
+  return tonumber(Settings.get(key, default))
+end
+
+function Settings.getBoolean(key, default)
+  return toboolean(Settings.get(key, default))
+end
+
+function Settings.getPoint(key, default)
+  return topoint(Settings.get(key, default))
+end
+
+function Settings.getRect(key, default)
+  return torect(Settings.get(key, default))
+end
+
+function Settings.getSize(key, default)
+  return tosize(Settings.get(key, default))
+end
+
+function Settings.getColor(key, default)
+  return tocolor(Settings.get(key, default))
+end
+
+function Settings.getColor(key, default)
+  return tocolor(Settings.get(key, default))
+end