samples: add Terra samples

source: https://github.com/zdevito/terra/tree/master/tests

samples/Terra/ordercomplete.t

@@ -0,0 +1,25 @@
+
+
+struct A {
+	a : int
+}
+
+struct B {
+	a : A
+}
+
+function A.metamethods.__staticinitialize()
+	print("STATIC INIT A")
+	local terra what(b : B)
+	end
+	what:gettype(true)
+end
+
+function B.metamethods.__staticinitialize()
+	print("STATIC INIT B")
+end
+
+terra foo(b : B)
+end
+
+foo:compile()