issue #3781, Update genbinding script to fit new bindings-generator.
issue #3781: Fix the variable name.
issue #3781, Add windows bat script.
issue #3781, js not generate cocos2dx physics now.
issue #3781, Undefine the __MINGW32__ macro to fix the script error on windows
issue #3781, Minor fix & update submodule.
issue #3781, Update travis-scripts, llvm-installing parts no need now.
Merge pull request #5150 from lihex/issue#3781

issue #3781: Update script for each platform bindings generating.