upgrade source to 2.0.8

Edward Rudd

2018-08-19 561f0d614098a95527367cc3f911e476f35643d6

source/premake/Xcode/Xcode3/tests/testrendercopyex/testrendercopyex.xcodeproj/project.pbxproj does not exist in tree 752b8c790de157acc93cadb1c406e44c652f4bfc