Upgrade to asm-5.0.2

This ASM has a different visitMethodInsn() instruction so
there are big changes throughout the code. The tests are running
fine but as new testcases are added related to Java8 we may need
further fixes to take account of the extra isInterface parameter
on visitMethodInsn()

testdata/src/main/java/github10/Code.java

@@ -0,0 +1,5 @@
+package github10;
+
+public class Code {
+
+}