improving doc comment in ObjectMaker2D.FromTiledMap
Revert "improving doc comment in ObjectMaker2D.FromTiledMap"

This reverts commit 905122351aae89db5b527f83d47234772868d4cb.
adding comment to ObjectMaker2D.FromTiledMap
Merge pull request #112 from ofabricio/master

Just a small doc adding.