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/client_modulemanager/modulemanager.otmod

@@ -3,15 +3,16 @@ Module
   description: Manage other modules
   author: OTClient team
   website: https://github.com/edubart/otclient
+  reloadable: true
   autoload: true
-  autoload-antecedence: 140
+  autoload-priority: 140
 
   dependencies:
     - client_topmenu
 
-  onLoad: |
+  @onLoad: |
     dofile 'modulemanager'
     ModuleManager.init()
 
-  onUnload: |
+  @onUnload: |
     ModuleManager.terminate()