Simplified script VM:

- removed I_RET instruction, return is now implicit at end of script
 - I_POP is not a binary instruction.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@963 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/image.cpp

@@ -82,7 +82,6 @@ ScriptP ScriptableImage::getScriptP() {
 	// return value or a blank image
 	ScriptP s(new Script);
 	s->addInstruction(I_PUSH_CONST, value ? static_pointer_cast<ScriptValue>(value) : script_nil);
-	s->addInstruction(I_RET);
 	return s;
 }