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_spelllist/spelllist.lua

@@ -91,10 +91,10 @@ function init()
   connect(g_game, { onGameStart = setOptions,
                     onGameEnd   = resetWindow })
           
-  spelllistWindow = g_ui.displayUI('spelllist.otui', modules.game_interface.getRightPanel())
+  spelllistWindow = g_ui.displayUI('spelllist', modules.game_interface.getRightPanel())
   spelllistWindow:hide()
   
-  spelllistButton = TopMenu.addRightGameToggleButton('spelllistButton', tr('Spell List'), 'spelllist.png', toggle)
+  spelllistButton = modules.client_topmenu.addRightGameToggleButton('spelllistButton', tr('Spell List'), '/images/topbuttons/spelllist', toggle)
   spelllistButton:setOn(false)
   
   nameValueLabel        = spelllistWindow:getChildById('labelNameValue')
@@ -231,7 +231,7 @@ function initialiseSpelllist()
   
     tmpLabel:setHeight(SpelllistSettings[SpelllistProfile].iconSize.height + 4)
     tmpLabel:setTextOffset(topoint((SpelllistSettings[SpelllistProfile].iconSize.width + 10) .. ' ' .. (SpelllistSettings[SpelllistProfile].iconSize.height - 32)/2 + 3))
-    tmpLabel:setImageSource('/game_spelllist/icons/' .. SpelllistSettings[SpelllistProfile].iconFile)
+    tmpLabel:setImageSource('/images/game/spells/' .. SpelllistSettings[SpelllistProfile].iconFile)
     tmpLabel:setImageClip(getIconImageClip(iconId))
     tmpLabel:setImageSize(tosize(SpelllistSettings[SpelllistProfile].iconSize.width .. ' ' .. SpelllistSettings[SpelllistProfile].iconSize.height))
     tmpLabel.onClick = updateSpellInformation

modules/game_spelllist/spelllist.otmod

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

modules/game_spelllist/spelllist.otui

@@ -7,7 +7,7 @@ SpellListLabel < Label
   image-clip: 0 0 32 32
   image-size: 32 32
   image-offset: 2 2
-  image-source: /game_spelllist/icons/icons.png
+  image-source: /images/game/spells/defaultspells
 
   $focus:
     background-color: #ffffff22