Second asset dump, more beach items

#10 - Beach Ball Mesh
#15 - Beach Chair Mesh
#16 - Beach Shell Meshes (3)
#19 - Surfboard Meshes (3)
#20 - Grill Mesh
Merge pull request #14 from InebriatedSquirrel/Art-Assets---#10,-#15,-#16,-#19,-#20

Second asset dump, more beach items