added lopcodes.def
added lopmodes.def
compile scripts with luac as default
added EncryptSetter
EncryptSetter work ok on mac
Merge pull request #494 from htlxyz/master

fixed #493
EncryptSetter work ok on windows
updated mac player
updated framework_precompiled.zip
updated win player
added docs/howto/encrypt-lua-code/zh.md
updated README
fixed pack_files.php: set limit of memory; typo of example
removed code sigh of mac player
ignore source file path

使用luac编译两内容一样的、hash值一致的lua源文件，会因为源文件的路径不同，而得到两个hash值不一致的输出文件。这样不利于多人多机器协同开发。
Merge pull request #496 from yinqiang/patch-1

ignore source file path
updated luac
update html