Cleaned up broker

Removed incomplete tabs from admin panel
Renamed wrappers to agents in the admin panel
Broker hash information is now automatically generated
Fixed UI error on experiments page.
Moved port to config file
Added exception handling
Removed unused broker node_modules:
	alfred
	caterpillar
	form-data
	oath
	passport-facebook
	passport-oauth
	session-middleware
Updated package.json. The broker can now be installed with ‘npm install’
Fixed package description
Cleaned up agent code

Added error handling to wrapper
Updated package.json. The agent can now be installed with ‘npm install’