Feature #5027: Add pluginx analytics test case
Feature #5027: Include all plugin project into js-tests project
Feature #5027: Add pluginx analytics test case into project.json
Feature #5027: Include all plugin binding files into js-tests project
Feature #5027: Add required system frameworks for build
Feature #5027: Add pluginx header search path into jsb project
Feature #5027: Add pluginx js script
Feature #5027: Add pluginx headers and registrations into AppDelegate
Feature #5027: Clean up log informations
Feature #5027: Restrict pluginx and its test case to iOS only
Merge pull request #342 from pandamicro/AddPluginX

Feature #5027: Add pluginx jsbindings and analytics test case to js-tests