Version 1.3 released

Thanks to connectivity capabilities of my new BananaPI, we jump directly to 1.3.

Changes vs last release 1.0 :
+ add Delegation allowing that an host can impersonate some others (i.e : freebox, UPS, ... bellow) [v1.1]
+ add French's Freebox ADSL modem tracking (speed, margins, errors, ...) [v1.1]
+ add UPS tracking [v1.2]
+ add EDF's Téléinfo tracking, both current production and consumption electricity as well as counter evolution [v1.3]
+ some bug fixes