Refactor modules, closes #223

* All modules are sandboxed now
* All images,sounds,fonts,translations and styles were moved to "data" folder
* Reorganize image files folders
* Remove unmaintained modules: client_particles, client_shaders
* Implement new automatic way to load styles and fonts
* Add hide/show offline option in VipList
* Add invite/exclude to/from private channel in players menus
* Many other minor changes

modules/game_containers/container.otui

@@ -16,7 +16,7 @@ ContainerWindow < MiniWindow
     anchors.right: minimizeButton.left
     margin-right: 3
     size: 14 14
-    image-source: /images/miniwindowbuttons.png
+    image-source: /images/ui/miniwindow_buttons
     image-clip: 42 0 14 14
 
     $hover:

modules/game_containers/containers.lua

@@ -1,5 +1,5 @@
 function init()
-  g_ui.importStyle('container.otui')
+  g_ui.importStyle('container')
 
   connect(Container, { onOpen = onContainerOpen,
                        onClose = onContainerClose,

modules/game_containers/containers.otmod

@@ -4,6 +4,6 @@ Module
   author: edubart, baxnie
   website: www.otclient.info
   sandboxed: true
-  scripts: [containers.lua]
+  scripts: [containers]
   @onLoad: init()
   @onUnload: terminate()