add AgentManager
fix spell error
add facebook referenced lib
update facebook android sdk
add DependProject
add login manual binding
fix facebook android plugin
Merge branch 'plugin_fb' of https://github.com/pandamicro/plugin-x into plugin_fb

Conflicts:
	jsbindings/manual/jsb_pluginx_extension_registration.cpp
Merge pull request #5 from joshuastray/plugin_fb

fix facebook android plugin