Found a solution to avoid having to install MOOSE.

Now MOOSE can be copied into the mission file, but you'll need to
include a "do file" action of moose.lua in the mission file and copy the
rest of the MOOSE files to the MIZ file.

Moose/Moose.lua

@@ -0,0 +1,30 @@
+
+local base = _G
+
+env.info("Loading MOOSE " .. base.timer.getAbsTime() )
+
+function script_path()
+   local str = debug.getinfo(2, "S").source
+   return str:match("(.*/)"):sub(1,-2)
+end
+
+
+Include = {}
+
+Include.LoadPath = script_path() .. "Mission\\"
+
+env.info( "Include.LoadPath = " .. Include.LoadPath )
+Include.Files = {}
+
+Include.File = function( IncludeFile )
+	if not Include.Files[ IncludeFile ] then
+		Include.Files[IncludeFile] = IncludeFile
+		base.dofile( Include.LoadPath .. "" .. IncludeFile .. ".lua" )
+		--local chunk, errMsg = base.loadfile( IncludeFile .. ".lua" )
+		env.info( "Include:" .. IncludeFile .. " loaded " )
+	end
+end
+
+Include.File( "Database" )
+
+env.info("Loaded MOOSE")