Worked on module interface, sessionmanager and PropertyManager
icp: use defined call type instead of constatn
use enum instead of constants
session-manager/icp: server side ping call added
common/call: refactored call names
call ping: fixed file headers
call ischannelallowed: fixed include header
icp: added stup for GetUserSession call
sm: added call for GetUserSession
sm modules: fixed naming
some fixes
fixed initialization
added env module loading and fixed call getusersession
Worked on module interface, sessionmanager and PropertyManager
rds: renamed session to connection

sessions are managed within session-manager. RDS holds the RDP connection to a peer.
rds: merged rdsModule and rdsConnector
moved all modules to session-manager
removed protobuf generation script
removed module related code from rds
cef: include service_helper