Porting the NEX ICO template to neo-go as first class smart contract example (#78)

* Initial draft of the ICO template ported from NEX.

* filled in token configuration

* added kyc storage prefix

* fixed byte array conversion + added tests

* fixed broken test + made 1 file for the token sale example.

* implemented the NEP5 handlers

* bumped version

pkg/vm/compiler/codegen.go

@@ -395,6 +395,13 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
 			if !ok {
 				log.Fatalf("could not resolve function %s", fun.Sel.Name)
 			}
+		case *ast.ArrayType:
+			// For now we will assume that there is only 1 argument passed which
+			// will be a basic literal (string kind). This only to handle string
+			// to byte slice conversions. E.G. []byte("foobar")
+			arg := n.Args[0].(*ast.BasicLit)
+			c.emitLoadConst(c.typeInfo.Types[arg])
+			return nil
 		}
 
 		// Handle the arguments