* Copyright use python script updated. might be fix by manual later
* Revert "Copyright use python script updated. might be fix by manual later"
This reverts commit 49e99418e4da1fd02afda448ddeb16210f5e8c71.
* re modify copyright, consider utf-8-sig encoding
* another situation, add Copyright before "Permission is hereby granted"
* Revert "another situation, add Copyright before "Permission is hereby granted""
This reverts commit ee82591d32353c7ce2e146fe51ef447433b47571.
* another situation, add Copyright before Permission is hereby granted
* change "Copyright (c) 2016-2016 Chukong Technologies Inc." to " Copyright (c) 2016 Chukong Technologies Inc."
* script modify copyright, consider is cocos copyright or not
* change "Copyright (c) 2017 Chukong Technologies Inc." to "Copyright (c) 2016 Chukong Technologies Inc."
* manual fix, not fix audio related
* change "2016-2016" to "2016"
* Fixed wrong behavior of "cc.isObject" function for undefined and null values.
* Simplify 'cc.isObject' function
* Remove double return in 'cc.isObject'