- Start work on drawlist

- Fix issue in texloader
- add ivec2 to tecloader / screen
- add draw func for iron
- add bufCfg in 3 variants to c3d
- add poc for c3d_permutation

source/iron/drawlist.cpp

@@ -0,0 +1,5 @@
+#include <amethyst/iron.hpp>
+
+namespace amy {
+void iron::drawlist::merge(iron::drawlist* list) {}
+}  // namespace amy