The computer implemented method 1, wherein {TAIL ~ the step} of modifying a set of features associated with the selected user role to form {HEAD ~ a set} of customized features comprises: 
The computer implemented method 1 , wherein { TAIL ~ the step } of modifying a set of features associated with the selected user role to form { HEAD ~ a set } of customized features comprises :
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH