BEAWARE all game functionality is disabled with this commit for a while

* rework client modules
* hide main window when loading
* remake top menu functions
* rework modules autoload
* improve path resolving for otml and lua
* move core_widgets to core_lib
* fix tooltip issues
* split some styles
* add bit32 lua library
* fix assert issues
* fix compilation on linux 32 systems
* rework gcc compile options
* renable and fix some warnings
* remove unused constants
* speedup sprite cache
* move UIGame to lua (not funcional yet)
* fix a lot of issues in x11 window
* fix crash handler
* add some warnings do uiwidget
and much more...

modules/old/game_interface/gameinterface.otmod

@@ -0,0 +1,20 @@
+Module
+  name: game_interface
+  description: |
+    Create the game main interface (map and bottom/left/right panels),
+    any game module must use it to add ingame interfaces
+
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+
+  onLoad: |
+    dofile 'uiminiwindow'
+    dofile 'uiminiwindowcontainer'
+    dofile 'uiitem'
+    dofile 'uimap'
+    dofile 'gameinterface'
+
+    GameInterface.init()
+
+  onUnload: |
+    GameInterface.terminate()