AppUID serialization
Apps do not get the contact DB
Handshaker minor refactoring (ban time)
Simpler AppList in SVoIP

Netmgr uses sender() to retrieve app
ContactDB is the only owner of the contacts

passing pointer to everyone
Contact id type -> uint

negative id not allowed
ContactDB does rely on a list of pointer ton contact objects

it is the only one allowed to delete contacts
Passing Contact liste to apps on start
Messenger App mMsgList is not a pointer anymore
Defining enum data type for error-free serialization
Networkmanager packet management and data routing
RootApp refactoring