Merge pull request #12 from martell/androidiap

Android IAP added to plugin-x and AUTHORS
Update the code of JS samples for the new version of engine.
Merge pull request #14 from natural-law/develop

Update the code of JS samples for the new version of engine.
Warns if plugin class not instantiable

The class returned from NSClassFromString is checked and a warning is produced if it is nil.
Remove the JS binding & JS samples.
Merge pull request #16 from natural-law/develop

Remove the JS binding & JS samples.
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.
Feature #5027: Add auto bindings
Feature #5027: Add manual bindings
Feature #5027: Add js level scripts
Feature #5027: Add bind script