Switch node.js on armv6l to v8.x branch

[ThomDietrich]

See: #383

[brianwarner]

I've checked this on an RPi2, both upgrading an existing installation and doing the unattended install (cloning a branch from my local fork instead of the upstream master). Fronttail worked as expected.

Unfortunately my original RPi appears to be bad, and I don't have a zero or a 3. If anybody is available to test the unattended install on an RPi1, RPi0 or RPi3, here's what you can do:

1. Flash OpenHABian to an SD card
2. Mount the SD card on your computer, and open first-boot.sh in an editor
3. Change this line /usr/bin/git clone -b master https://github.com/openhab/openhabian.git /opt/openhabian &>/dev/null to this: /usr/bin/git clone -b node-carbon-upgrade https://github.com/brianwarner/openhabian.git /opt/openhabian &>/dev/null
4. Save and exit the file, unmount the card, and boot the Pi
5. Wait a while, then do the Standard setup, wait until the apps are populated, and check if the Log Viewer loads

@ThomDietrich, not sure how much testing you want to do on this before declaring it good. I assume it makes sense to check it works on other Pis?

[ThomDietrich]

Hey Brian,
thanks for your efforts! If everything goes well I'd be able to test this in the next two months. Feel free to open a PR. 👍

[brianwarner]

Hi Thom, just created the pull request. Sorry for the delay!

[EliasGabrielsson]

we are on node v10.x branch now