Improved CI and enhanced project cosmetics (proper license header and include guards)

test/asmjit_test_opcode.h

@@ -1,11 +1,28 @@
-// [AsmJit]
-// Machine Code Generation for C++.
+// AsmJit - Machine code generation for C++
 //
-// [License]
-// Zlib - See LICENSE.md file in the package.
+//  * Official AsmJit Home Page: https://asmjit.com
+//  * Official Github Repository: https://github.com/asmjit/asmjit
+//
+// Copyright (c) 2008-2020 The AsmJit Authors
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would be
+//    appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//    misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
 
-#ifndef _ASMJIT_TEST_OPCODE_H
-#define _ASMJIT_TEST_OPCODE_H
+#ifndef ASMJIT_TEST_OPCODE_H_INCLUDED
+#define ASMJIT_TEST_OPCODE_H_INCLUDED
 
 #include <asmjit/x86.h>
 
@@ -6040,4 +6057,4 @@ static void generateOpcodes(asmjit::x86::Emitter* e, bool useRex1 = false, bool
 
 } // {asmtest}
 
-#endif // _ASMJIT_TEST_OPCODE_H
+#endif // ASMJIT_TEST_OPCODE_H_INCLUDED