Improved boarding process

Fixed boarding process when a carrier would ascend while boarding, the
boarding process would be cancelled by the cargo. the carrier is
notified of that event. When the carrier lands again, he can again board
the cargo using the cargo menu options.

Moose Development/Moose/Tasking/Task_CARGO.lua

@@ -277,6 +277,8 @@ do -- TASK_CARGO
       )
       
       self:__SelectAction( -15 )
+      
+      Task:GetMission():GetCommandCenter():MessageToGroup("Cargo menu is ready ...", TaskUnit:GetGroup() )
     end
     
     --- 
@@ -429,14 +431,10 @@ do -- TASK_CARGO
       self:E( { TaskUnit = TaskUnit, Task = Task and Task:GetClassNameAndID() } )
 
       function self.Cargo:OnEnterLoaded( From, Event, To, TaskUnit, TaskProcess )
-      
         self:E({From, Event, To, TaskUnit, TaskProcess })
-        
         TaskProcess:__Boarded( 0.1 )
-      
       end
 
-      
       if self.Cargo:IsInRadius( TaskUnit:GetPointVec2() ) then
         if TaskUnit:InAir() then
           --- ABORT the boarding. Split group if any and go back to select action.