Merge remote-tracking branch 'origin/master' into develop

# Conflicts:
#	Moose Development/Moose/AI/AI_A2A_Dispatcher.lua
#	Moose Development/Moose/AI/AI_A2G_Dispatcher.lua
#	Moose Development/Moose/AI/AI_CAP.lua
#	Moose Development/Moose/AI/AI_CAS.lua
#	Moose Development/Moose/AI/AI_Patrol.lua
#	Moose Development/Moose/Core/Base.lua
#	Moose Development/Moose/Core/Beacon.lua
#	Moose Development/Moose/Core/Database.lua
#	Moose Development/Moose/Core/Fsm.lua
#	Moose Development/Moose/Core/MarkerOps_Base.lua
#	Moose Development/Moose/Core/Menu.lua
#	Moose Development/Moose/Core/Message.lua
#	Moose Development/Moose/Core/Point.lua
#	Moose Development/Moose/Core/ScheduleDispatcher.lua
#	Moose Development/Moose/Core/Scheduler.lua
#	Moose Development/Moose/Core/Set.lua
#	Moose Development/Moose/Core/Spawn.lua
#	Moose Development/Moose/Core/Zone.lua
#	Moose Development/Moose/DCS.lua
#	Moose Development/Moose/Functional/Detection.lua
#	Moose Development/Moose/Functional/Mantis.lua
#	Moose Development/Moose/Functional/Range.lua
#	Moose Development/Moose/Functional/Scoring.lua
#	Moose Development/Moose/Functional/Sead.lua
#	Moose Development/Moose/Modules.lua
#	Moose Development/Moose/Ops/ATIS.lua
#	Moose Development/Moose/Ops/Airboss.lua
#	Moose Development/Moose/Sound/UserSound.lua
#	Moose Development/Moose/Utilities/Enums.lua
#	Moose Development/Moose/Utilities/FiFo.lua
#	Moose Development/Moose/Utilities/Profiler.lua
#	Moose Development/Moose/Utilities/Routines.lua
#	Moose Development/Moose/Utilities/STTS.lua
#	Moose Development/Moose/Utilities/Utils.lua
#	Moose Development/Moose/Wrapper/Airbase.lua
#	Moose Development/Moose/Wrapper/Controllable.lua
#	Moose Development/Moose/Wrapper/Group.lua
#	Moose Development/Moose/Wrapper/Marker.lua
#	Moose Development/Moose/Wrapper/Positionable.lua
#	Moose Development/Moose/Wrapper/Unit.lua
#	Moose Setup/Moose.files

Moose Development/Moose/Wrapper/Group.lua

@@ -571,7 +571,7 @@ function GROUP:GetSpeedMax()
   
     local Units=self:GetUnits()
     
-    local speedmax=nil
+    local speedmax=0
     
     for _,unit in pairs(Units) do
       local unit=unit --Wrapper.Unit#UNIT
@@ -725,6 +725,30 @@ function GROUP:GetUnit( UnitNumber )
   
 end
 
+--- Check if an (air) group is a client or player slot. Information is retrieved from the group template.
+-- @param #GROUP self
+-- @return #boolean If true, group is associated with a client or player slot.
+function GROUP:IsPlayer()
+  
+  -- Get group.
+ -- local group=self:GetGroup()
+    
+  -- Units of template group.
+  local units=self:GetTemplate().units
+  
+  -- Get numbers.
+  for _,unit in pairs(units) do
+      
+    -- Check if unit name matach and skill is Client or Player.
+    if unit.name==self:GetName() and (unit.skill=="Client" or unit.skill=="Player") then
+      return true
+    end
+
+  end
+  
+  return false
+end
+
 --- Returns the DCS Unit with number UnitNumber.
 -- If the underlying DCS Unit does not exist, the method will return nil. .
 -- @param #GROUP self
@@ -732,11 +756,24 @@ end
 -- @return DCS#Unit The DCS Unit.
 function GROUP:GetDCSUnit( UnitNumber )
 
-  local DCSGroup=self:GetDCSObject()
+  local DCSGroup = self:GetDCSObject()
 
   if DCSGroup then
-    local DCSUnitFound=DCSGroup:getUnit( UnitNumber )
-    return DCSUnitFound
+    
+    if DCSGroup.getUnit and DCSGroup:getUnit( UnitNumber ) then
+      return DCSGroup:getUnit( UnitNumber )
+    else
+    
+      local UnitFound = nil
+      -- 2.7.1 dead event bug, return the first alive unit instead
+      local units = DCSGroup:getUnits() or {}
+      
+      for _,_unit in pairs(units) do
+        if _unit and _unit:isExist() then
+          return _unit
+        end
+      end
+    end
   end
 
   return nil
@@ -1083,8 +1120,7 @@ function GROUP:GetCoordinate()
     end
   end
   BASE:E( { "Cannot GetCoordinate", Group = self, Alive = self:IsAlive() } )
-
-  return nil
+  
 end
 
 
@@ -1116,6 +1152,8 @@ end
 function GROUP:GetHeading()
   self:F2(self.GroupName)
 
+  self:F2(self.GroupName)
+
   local GroupSize = self:GetSize()
   local HeadingAccumulator = 0
   local n=0