Update the sample code for the latest engine.
Merge pull request #18 from natural-law/develop

Update the sample code for the latest engine.
Update the sample code for the latest engine.
Merge pull request #20 from natural-law/develop

Update the sample code for the latest engine.
Update the sample project for the new version of engine.
Merge pull request #25 from natural-law/develop

Update the sample project for the new version of engine.
Solve the crash in sample project HelloPlugins.
Merge pull request #29 from natural-law/develop

Solve the crash in sample project HelloPlugins.
Solve the memory leak in the JNI methods of protocols.
Merge pull request #31 from natural-law/develop

Solve the memory leak in the JNI methods of protocols.
Merge branch 'develop' of https://github.com/cocos2d-x/plugin-x into AddJSBindings
Merge pull request #33 from pandamicro/AddJSBindings

Feature #5027: Add js bindings to pluginx
Feature #5027: Upgrade manual bindings
Merge branch 'develop' into AddJSBindings