create http handler

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>
delete singleton from HttpHandler.java

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>
eliminate code http from Rangingservice.java

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>
Created monitoring service basic and launcher activity

Signed-off-by: Fons <lord.fontana@gmail.com>
Merge branch 'monitoring_service' into http_class_branch
merge with monitoring service

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>
monitoring and ranging services ok

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>
merge master

Signed-off-by: Andrea Corna <andrea.corna.ac.91@gmail.com>