Clone it to the Pi:
sudo apt-get install git
cd /opt
sudo git clone https://github.com/50ButtonsEach/fliclib-linux-hci
Create the data folders:
sudo mkdir /var/lib/flic
Create a systemd start script:
sudo nano /etc/systemd/system/flicd.service
Contents:
[Unit]
Description=flicd Service
After=bluetooth.service
Requires=bluetooth.service
[Service]
TimeoutStartSec=0
ExecStart=/opt/fliclib-linux-hci/bin/armv6l/flicd -f /var/lib/flic/flic.db -s 0.0.0.0 -h hci0 -w -l /var/log/flic.log
Restart=always
RestartSec=3
[Install]
WantedBy=multi-user.target
…then…
sudo systemctl enable flicd
Restart.
Boom.