Merge pull request #6 from joshuastray/plugin_fb

addEventListener->setListener, getEventListener->getListener
Feature #5592: Improve messages
Merge branch 'plugin_fb' of https://github.com/pandamicro/plugin-x into plugin_fb
Feature #5592: Fix login manual binding issue and android compilation issue
Feature #5592: Fix android compilation issue
Feature #5592: Fix android compilation issue
Feature #5592: Fix callback runtime issue of AgentManager
Feature #5592: Refactor Callback bindings for Pluginx
Feature #5592: Add js wrapper for agentManager.dialog
Feature #5592: Add ProtocolShare::getResultListener for android
Merge branch 'plugin_fb' of https://github.com/pandamicro/plugin-x into plugin_fb
fix facebook plugin bug