chore(package): use kabam plugin webRTC v0.3.x or newer
feat(index): expose some eventemitter methods
fix(package): add mongoose which is needed to test kabam-plugin-rest
chore(dependencies): remove kabam-plugin-webrtc

Remove kabam-plugin-webrtc from the framework dependencies, this plugin or other plugin in Kabam should be listed on the application dependencies not in the framework.
chore(dependencies): remove kabam-plugin-webrtc