Rhubarbe

* bugfix for connecting to sidecar over https

* merged monitorphones capability from r2lab/
* rhubarbe.conf
* new config category [sidecar]
* + various renamingsfor consistency
* inventory config files are now
* inventory_path = /etc/rhubarbe/inventory-nodes.json
* inventory_phones_path = /etc/rhubarbe/inventory-phones.json
* 1.4.0 has a broken setup
* 1.4.1 was broken too; commands like status would hang

* set sidecar url in monitor.service
* garbage obsolete monitor.sh

* monitor config : sidecar_url replaces sidecar_hostname and sidecar_port
* default is now on port 999

* protect accountsmanager against a plcapi being down

* rhubarbe accounts -c 0 means to run it only once
* minor bugfix in rhubarbe share with no alias