issue #3781, Don't set a default PYTHON_ROOT & NDK_ROOT for user on Windows.
Merge branch 'develop' of git://github.com/cocos2d/bindings-generator.git into issue#3781
issue #3781, Tips user on enviroment variables are ont defined.
Merge pull request #73 from lihex/issue#3781

Don't set a default PYTHON_ROOT & NDK_ROOT for user on Windows
Update doc.
Merge pull request #74 from lihex/issue#3781

Update docs
issue #3781, Should check ndk architechture.
Merge pull request #75 from lihex/issue#3781

Should check ndk architechture.
issue #3401: change conversions.yaml for physics lua binding
Adds a property to check whether the object is a native associated object.
All classes exposed from Native to JS should contains a property named `__nativeObj` of which value is `true`.
Adds a new line in layout_head.c.
Reverts to use static for function and property definition. I don’t know whether removing it will cause problems. :(
Merge pull request #77 from dumganhar/native-obj-check

Adds a property to check whether the object is a native associated object.
Merge pull request #76 from boyu0/iss3401_physical_lua_binding

issue #3401: change conversions.yaml for physics lua binding
Class which doesn't contain any instance methods should also bind ctor method when it makes sense.
Merge pull request #78 from dumganhar/empty-class-ctor-fix

Class which doesn't contain any instance methods should also bind ctor method when it makes sense.
issue #3900: Removes 'common' folder. It's unused for generating bindings.
issue #3900: Bindings-generator works with spidermonkey FFv27 now.
Merge pull request #79 from dumganhar/iss3900-spidermonkey-v27

issue #3900: Bindings-generator works with spidermonkey FFv27 now.
issue #3956:Optimize the templates of lua binding-generator