Removed password object and using "username" instead to get the userhash as method of authentication
Integrated a security level: the message is encrypted by default, when decrypted is not stored on database ( it is stored as encrypted )
Implemented a function to load remote profiles

Implemented a function to load remote profiles: it will ask the remote
installations to get the json format Open Profile.
Avoiding to load is_admin property
Implemented Connection object

Connection object will manage the "connection" ( aka friendship or
following… depends from which social network you came from ) between
two installation of OpenProfile.