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_about/about.lua

@@ -2,22 +2,33 @@ About = {}
 
 -- private variables
 local aboutButton
+local aboutWindow
 
 -- public functions
 function About.init()
-  aboutButton = TopMenu.addRightButton('aboutButton', 'About', 'about.png', About.display)
-end
-
-function About.display()
-  displayUI('about.otui', { locked = true })
+  aboutButton = TopMenu.addRightButton('aboutButton', 'About', 'about.png', About.show)
+  aboutWindow = displayUI('about.otui')
+  aboutWindow:hide()
 end
 
 function About.terminate()
   aboutButton:destroy()
   aboutButton = nil
+  aboutWindow:destroy()
+  aboutWindow = nil
   About = nil
 end
 
+function About.show()
+  aboutWindow:show()
+  aboutWindow:raise()
+  aboutWindow:focus()
+end
+
+function About.hide()
+  aboutWindow:hide()
+end
+
 function About.openWebpage()
   displayErrorBox("Error", "Not implemented yet")
 end

modules/client_about/about.otmod

@@ -3,16 +3,14 @@ Module
   description: Create the about window
   author: OTClient team
   website: https://github.com/edubart/otclient
-  autoload: true
-  autoload-antecedence: 160
-  unloadable: true
+  reloadable: true
 
   dependencies:
     - client_topmenu
 
-  onLoad: |
+  @onLoad: |
     dofile 'about'
     About.init()
 
-  onUnload: |
+  @onUnload: |
     About.terminate()

modules/client_about/about.otui

@@ -3,6 +3,9 @@ MainWindow
   text: Info
   size: 244 221
 
+  @onEnter: About.hide()
+  @onEscape: About.hide()
+
   FlatPanel
     size: 208 129
     anchors.left: parent.left
@@ -52,4 +55,4 @@ MainWindow
     size: 46 24
     anchors.right: parent.right
     anchors.bottom: parent.bottom
-    @onClick: self:getParent():destroy()
+    @onClick: About.hide()